Unorthodox Openings by Joel Benjamin
Many books have been written on the main lines of popular openings such as the Sicilian and Nimzo-Indian and yet there is little on irregular off-beat lines. Many of the variations in this book are relatively unexplored and would be useful weapons for the weekend tournament play. International Master Joel Benjamin and USCF Master Eric Schillerr have written an overview of all the less common variations.