The April Fool's Day mystery

Summary

Searches targeting official retailers and general audiobook listings for "The April Fool's Day Mystery" by Marion M. Markham did not confirm the existence of an official, unabridged audiobook. The book is identified as a title, likely for young readers, associated with the Houghton Mifflin Soar to Success series. No entries were found on major platforms such as Audible, Google Play Books, Apple Books, Kobo, OverDrive, Hoopla, or Libby that list an official audiobook. Therefore, based on the search, an official audiobook for the general public is not available. No alternative audio formats, such as summaries or abridged versions, were explicitly identified in the search results.