Nouvelles means "new" in French. This probably means that the book had just been published.
"Nouvelles amies" means "new (female) friends".
Je vous donnerai des nouvelles plus tard = I'll update you later
ecris-moi vite avec tes nouvelles = write me quickly with your news
exercise book mean exercice du livre
Un livre (masc.) is a book in French.
Un livre (masc.) is a book in French.
It's similar to "Don't judge a book by its cover". What you perceive from how something appears, may not be what it truly is.
If you meant "livre," it means "book" in French.
exercise book
If you mean 'Cache' then it can mean 'mask', 'cover', and 'patch'.
perhaps you mean 'le cahier' which means an exercise book, a note book
I hope to hear from you soon.