diff --git a/frontend/src/Settings/Profiles/Metadata/EditMetadataProfileModalContent.js b/frontend/src/Settings/Profiles/Metadata/EditMetadataProfileModalContent.js
index ce05e49b..c00b5252 100644
--- a/frontend/src/Settings/Profiles/Metadata/EditMetadataProfileModalContent.js
+++ b/frontend/src/Settings/Profiles/Metadata/EditMetadataProfileModalContent.js
@@ -17,6 +17,51 @@ import { icons, inputTypes, kinds, tooltipPositions } from 'Helpers/Props';
 import translate from 'Utilities/String/translate';
 import styles from './EditMetadataProfileModalContent.css';
 
+// Each option is a combination of the existing skipMissingIsbn/skipMissingAsin flags. The backend
+// keeps an edition when: neither flag -> always; isbn only -> ISBN or ASIN; asin only -> ASIN;
+// both -> ISBN and ASIN. Requiring ISBN alone has no flag combination, so it isn't offered.
+const identifierRequirementFlags = {
+  none: { skipMissingIsbn: false, skipMissingAsin: false },
+  missingBoth: { skipMissingIsbn: true, skipMissingAsin: false },
+  missingEither: { skipMissingIsbn: true, skipMissingAsin: true },
+  missingAsin: { skipMissingIsbn: false, skipMissingAsin: true }
+};
+
+const identifierRequirementOptions = [
+  {
+    key: 'none',
+    get value() {
+      return translate('SkipMissingIdentifierNone');
+    }
+  },
+  {
+    key: 'missingBoth',
+    get value() {
+      return translate('SkipMissingIdentifierMissingBoth');
+    }
+  },
+  {
+    key: 'missingEither',
+    get value() {
+      return translate('SkipMissingIdentifierMissingEither');
+    }
+  },
+  {
+    key: 'missingAsin',
+    get value() {
+      return translate('SkipMissingIdentifierMissingAsin');
+    }
+  }
+];
+
+function getIdentifierRequirement(skipMissingIsbn, skipMissingAsin) {
+  if (skipMissingIsbn) {
+    return skipMissingAsin ? 'missingEither' : 'missingBoth';
+  }
+
+  return skipMissingAsin ? 'missingAsin' : 'none';
+}
+
 function fieldWithDefault(field, value) {
   return field ?? {
     value,
@@ -76,6 +121,17 @@ function EditMetadataProfileModalContent(props) {
   const labelSuffix = isAudiobook ? 'Audiobook' : 'Book';
   const deleteDisabledTooltip = translate('IsInUseCantDeleteAMetadataProfileThatIsAttachedToAnAuthorImportListOrRootFolder');
 
+  const identifierRequirement = getIdentifierRequirement(skipMissingIsbnField.value, skipMissingAsinField.value);
+  const identifierRequirementErrors = [...skipMissingIsbnField.errors, ...skipMissingAsinField.errors];
+  const identifierRequirementWarnings = [...skipMissingIsbnField.warnings, ...skipMissingAsinField.warnings];
+
+  const onIdentifierRequirementChange = ({ value }) => {
+    const flags = identifierRequirementFlags[value] ?? identifierRequirementFlags.none;
+
+    onInputChange({ name: 'skipMissingIsbn', value: flags.skipMissingIsbn });
+    onInputChange({ name: 'skipMissingAsin', value: flags.skipMissingAsin });
+  };
+
   return (
     <ModalContent onModalClose={onModalClose}>
       <ModalHeader>
@@ -162,25 +218,14 @@ function EditMetadataProfileModalContent(props) {
                 </FormLabel>
 
                 <FormInputGroup
-                  type={inputTypes.CHECK}
-                  name="skipMissingIsbn"
-                  {...skipMissingIsbnField}
+                  type={inputTypes.SELECT}
+                  name="identifierRequirement"
+                  value={identifierRequirement}
+                  values={identifierRequirementOptions}
+                  errors={identifierRequirementErrors}
+                  warnings={identifierRequirementWarnings}
                   helpText={translate(`SkipMissingIdentifier${labelSuffix}HelpText`)}
-                  onChange={onInputChange}
-                />
-              </FormGroup>
-
-              <FormGroup>
-                <FormLabel>
-                  {translate(`SkipMissingAsin${labelSuffix}`)}
-                </FormLabel>
-
-                <FormInputGroup
-                  type={inputTypes.CHECK}
-                  name="skipMissingAsin"
-                  {...skipMissingAsinField}
-                  helpText={translate(`SkipMissingAsin${labelSuffix}HelpText`)}
-                  onChange={onInputChange}
+                  onChange={onIdentifierRequirementChange}
                 />
               </FormGroup>
 
diff --git a/src/NzbDrone.Core/Localization/Core/en.json b/src/NzbDrone.Core/Localization/Core/en.json
index 12c5600a..b2c84db3 100644
--- a/src/NzbDrone.Core/Localization/Core/en.json
+++ b/src/NzbDrone.Core/Localization/Core/en.json
@@ -1902,18 +1902,18 @@
   "Skip": "Skip",
   "SkipFreeSpaceCheck": "Skip Free Space Check",
   "SkipFreeSpaceCheckWhenImportingHelpText": "Use when Chaptarr is unable to detect free space from your author root folder",
-  "SkipMissingAsinAudiobook": "Skip audiobooks missing ASIN",
-  "SkipMissingAsinAudiobookHelpText": "Requires ASIN. Best for well-known, well-published authors where complete metadata is expected.",
-  "SkipMissingAsinBook": "Skip books missing ASIN",
-  "SkipMissingAsinBookHelpText": "Requires ASIN. Best for well-known, well-published authors where complete metadata is expected.",
   "SkipMissingDateAudiobook": "Skip audiobooks with missing release date",
   "SkipMissingDateAudiobookHelpText": "Hides audiobooks with no release date in metadata. They will appear once providers add a date on the next author refresh.",
   "SkipMissingDateBook": "Skip books with missing release date",
   "SkipMissingDateBookHelpText": "Hides books with no release date in metadata. They will appear once providers add a date on the next author refresh.",
   "SkipMissingIdentifierAudiobook": "Skip audiobooks missing identifier",
-  "SkipMissingIdentifierAudiobookHelpText": "Filters out audiobooks without any identifier (ISBN or ASIN). Quick way to remove low-quality metadata entries.",
+  "SkipMissingIdentifierAudiobookHelpText": "Which identifiers an audiobook edition needs to be kept. Editions you have files for or added manually are never skipped.",
   "SkipMissingIdentifierBook": "Skip books missing identifier",
-  "SkipMissingIdentifierBookHelpText": "Filters out books without any identifier (ISBN or ASIN). Quick way to remove low-quality metadata entries.",
+  "SkipMissingIdentifierBookHelpText": "Which identifiers a book edition needs to be kept. Editions you have files for or added manually are never skipped.",
+  "SkipMissingIdentifierMissingAsin": "Skip if missing ASIN",
+  "SkipMissingIdentifierMissingBoth": "Skip if missing both ISBN and ASIN (Require either)",
+  "SkipMissingIdentifierMissingEither": "Skip if missing either ISBN or ASIN (Require both)",
+  "SkipMissingIdentifierNone": "Don't skip",
   "SkipMissingIdentifierOmnibusAudiobook": "Skip omnibus/collection audiobooks without identifiers",
   "SkipMissingIdentifierOmnibusAudiobookHelpText": "Removes omnibus/collection audiobooks only when no edition has an ASIN or ISBN.",
   "SkipMissingIdentifierOmnibusBook": "Skip omnibus/collection books without identifiers",