Andon Rangelov 
100 Mate in Two Chess Puzzles, Inspired by Hikaru Nakamura Games [EPUB ebook] 
Chess Lessons Without Chess Teacher

This book contains 100 mate in two chess puzzles and their solutions, all of which are taken from GM Hikaru Nakamura games. Most of the games are blitz and bullet games played on chess.com. The puzzles are intended for players of intermediate skill levels. Please keep in mind that these are do-it-yourself exercises, therefore you must be familiar with all of the basic chess principles. Use “look inside” for additional details.