South of the town of Gettysburg, Union troops take possession of the wooded heights at the tip of their "fishhook" defensive line. Defending Culp's Hill meant protecting the flank; it was the key to victory. Using official reports, letters, diaries, and memoirs, this book describes the struggle for the high ground and tells how and why the generals made their crucial decisions.

This book provides a repertoire for Black with the ever-popular Queen's Gambit Declined. Opening expert John Cox covers not one but two key options for Black. The Tartakower Variation is a sophisticated defence used successfully by world champions such as Kasparov, Karpov and Kramnik. The Lasker Variation is an easy-to-learn and reliable option devised by one of the legends of the game. Cox also demonstrates how to play against White's other tries, including the Exchange Variation and Bf4 lines. He explains in detail the typical plans and tactics adopted by both sides, whilst also tackling...

Offers a contemporaneous look at the rapid advances occurring in the study of radioactivity during the first decade of the twentieth century.

Do you need to freshen up your chess openings?Stun your opponents with new and exciting ideas Dangerous Weapons is a series of opening books which supply the reader with an abundance of hard-hitting ideas to revitalize his or her opening repertoire.In this book, three opening experts team up and take a contemporary look at the Ruy Lopez, one of the most popular chess openings. Instead of analysing the well-trodden main lines they concentrate on fresh or little-explored variations, selecting a wealth of 'dangerous' options for both colours. Whether playing White or Black, a study of this book...

In these two books, brought together now for the first time in one volume, John Cox and Neil McDonald provide the reader with strong and trusty repertoires with white pieces based on the popular opening moves of 1d4 and 1e4