Actors from the municipal theater recorded the first audio books in an improvised studio lined with egg cartons.

[4] Since 2004, the offerings have been recorded in the DAISY Digital Talking Book MP3 standard, which allows visually impaired users to both listen and navigate written material.

[3] Today about 24,500 titles from the classics, mystery, biographies, nonfiction, plays and popular novels are available to users.

[2] Thirty professional freelance speakers record 350 new titles annually in the library's own studio, which are then digitally mastered and cataloged.

The WBH is legally permitted to record any book published in Germany for free,[1] including such popular titles as Harry Potter.