Friend's Email: Subject:I have found a book that I think you would enjoy
Secrets of Opening Preparation: School of Future Champions Vol. 2 (Dvoretsky School of Future Chess Champions)
Secrets of Opening Preparation School of Future Champions Vol 2 - Dvoretsky School of Future Chess Champions Author:Mark Dvoretsky, Artur Yusupov This helpful chess handbook discusses how to build an opening repertoire and produce opening novelties. Additionally, it explores the connection between the opening and the later stages of the middlegame and the endgame.