Crossword Genius

Book's self-dedication (4)

Ross

I believe the answer is:

tome

I'm a little stuck... Click here to teach me more about this clue!

'book's' is the definition.
(a tome is a book)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for tome that I've seen before include "Big book" , "Large and scholarly book" , "Large scholarly volume" , "dictionary?" , "War and Peace, say" .)

I've seen this clue in The Mirror and The Daily Express.
Want a hint initially instead of a full solution? Install my app