﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2017v2.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2018-03-12T17:14:16-05:00</ReturnTs>
    <TaxPeriodEndDt>2017-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>481195228</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>KELLER &amp; OWENS LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>10955 LOWELL AVE STE 800</AddressLine1Txt>
        <CityNm>OVERLAND PARK</CityNm>
        <StateAbbreviationCd>KS</StateAbbreviationCd>
        <ZIPCd>66210</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2017-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>201680489</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MAINSTREAM BIBLE OUTREACH INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MAIN</BusinessNameControlTxt>
      <PhoneNum>9132796377</PhoneNum>
      <USAddress>
        <AddressLine1Txt>120 OSAGE</AddressLine1Txt>
        <CityNm>KANSAS CITY</CityNm>
        <StateAbbreviationCd>KS</StateAbbreviationCd>
        <ZIPCd>66105</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MARK SMITH</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>9132796377</PhoneNum>
      <SignatureDt>2018-02-17</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>GREGORY D OWENS</PreparerPersonNm>
      <PTIN>P00048643</PTIN>
      <PhoneNum>9133383500</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2017</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>MYFREEBIBLE.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>58363</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>58266</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>97</ProgramServiceRevenueAmt>
      <TotalRevenueAmt>58363</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>30233</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>1094</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>42493</OtherExpensesTotalAmt>
      <TotalExpensesAmt>73820</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-15457</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>55394</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>39937</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>35444</BOYAmt>
        <EOYAmt>32946</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>19950</BOYAmt>
        <EOYAmt>6991</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>55394</BOYAmt>
        <EOYAmt>39937</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>55394</BOYAmt>
        <EOYAmt>39937</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO SPREAD THE GOSPEL OF JESUS CHRIST TO THOSE WHO HAVE NOT HEARD THE MESSAGE.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>26,630 BIBLES WERE DISTRIBUTED AT NO CHARGE TO THOSE THAT REQUESTED THEM THROUGH WEBSITES, SEARCH ENGINES, AND MINISTRY OUTREACH EVENT PARTNERSHIPS. THERE WERE 650 BIBLES MAILED OUT TO FULFILL REQUESTS AT NO CHARGE ACROSS AMERICA. NEW TESTAMENTS WERE DISTRIBUTED THROUGHOUT AMERICA WITH 75 MINISTRY PARTNERSHIPS. 350 SPANISH NEW TESTAMENTS WERE DISTRIBUTED LOCALLY IN KANSAS CITY AND 150 IN NICARAGUA, WHILE 750 WERE GIVEN INTERNATIONALLY BY SHORT TERM MISSIONS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>63437</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>63437</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK SMITH</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOHN ENDERBY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GREG OWENS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DAVID WOODDELL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>MARK SMITH</PersonNm>
        <USAddress>
          <AddressLine1Txt>120 OSAGE</AddressLine1Txt>
          <CityNm>KANSAS CITY</CityNm>
          <StateAbbreviationCd>KS</StateAbbreviationCd>
          <ZIPCd>66105</ZIPCd>
        </USAddress>
        <PhoneNum>9132796377</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>81698</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>65325</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>88575</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>92893</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>58266</CurrentTaxYearAmt>
        <TotalAmt>386757</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>81698</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>65325</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>88575</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>92893</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>58266</CurrentTaxYearAmt>
        <TotalAmt>386757</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>42265</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>344492</PublicSupportTotal170Amt>
      <TotalSupportAmt>386757</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>740</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.89070</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.87530</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: CONFERENCES &amp; MEETINGS. AMOUNT: 438. DESCRIPTION: BIBLES DISTRIBUTED. AMOUNT: 41,214. DESCRIPTION: BANK &amp; REGISTRATION FEES. AMOUNT: 100. DESCRIPTION: SMALL EQUIPMENT &amp; REPAIRS. AMOUNT: 133. DESCRIPTION: SUPPLIES. AMOUNT: 608. TOTAL TO FORM 990-EZ, LINE 16: 42,493.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24 - OTHER ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INVENTORY. BEG. OF YEAR AMOUNT: 19,950. END OF YEAR AMOUNT: 6,991.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>