Caught in the MCO/ECO loop. unable to remember long variations with += notings. Get this one. Point to note: this is not a book for the faint hearted. Even though a single volume covers e4, it still has enough variations and games to keep you engrossed. It skips some fairly important variations but then the whole idea of this book is to get a feel of the releated openings along with the main lines without having to mug up whole variations. if your are an e4 player, this book is a must. if you...