Akademik

a concise reference book providing specific information about a subject or location

vade mecum 7 [ˌvɑːdi ˈmeɪkəm] [ˌvɑːdi ˈmeɪkəm] noun (from Latin, formal)

a book or written guide which you keep with you all the time, because you find it helpful

[vade mecum] early 17th cent.: modern Latin, literally go with me.