A sequel to What If?, this book begins to include counter-factual history of all kinds. While generally the non-military essays are interesting some of them just seem to ramble on about remote political possibilities. So while still highly recommended this may not be for you if you really only enjoy military history.

What If is a collection of military counter-historical essays which while at fiction at there core end up being a great history lesson. Each essay has an in-depth introduction of what really happened, so you learn some history before twisting it into fiction. So, if you enjoy military history and want an interesting read it is highly recommended.