Here is a list of all documented variables with links to the struct/union documentation for each field:

• author : book_entry_t
• book : llist
• chapter : current_book_t, dllist
• chapter_filename : current_book_t
• chapter_list : current_book_t
• current_chapter : current_book_t
• entry_point : book_entry_t
• file_offset : current_book_t
• next : dllist, llist
• num_chapters : current_book_t
• number : book_entry_t, chapter_entry_t
• page : current_book_t
• path : chapter_entry_t
• pretty_page : current_book_t
• prev : dllist
• root_dir : book_entry_t, current_book_t
• state : current_book_t
• title : book_entry_t, current_book_t