Peanut Reader 3.2.11
the author of this app says:
Peanut Reader adds the ability to read Palm(tm) handheld Doc formatted books to the features that have made the Peanut Reader what many consider to be the best eBook reader available for the Palm(tm) handheld platform.
Now readers can have all of the advantages of the Peanut Reader and be able to read their library of Doc books within a single application.
Peanut Reader's features include bookmarks, annotations, standard and large fonts, user-selectable screen orientation options, AutoScroll and a clock/battery indicator.
Peanut Reader will automatically paginate your Doc books and give you absolute page numbers, which could be handy for all your reference books.