Full PDFs of the final mock exam answers, audio transcripts, and sometimes additional vocabulary lists.
Unlike Western textbooks that offer detailed explanations for every answer, Sou Matome books typically provide . You will usually find a list at the very end of the book (or sometimes in a separate detachable pull-out section in the center).
: In many physical editions of the Nihongo Sou Matome series, the answer key and scripts are located in a removable white booklet attached to the back of the main book.