Used paperback in good condition. Cover and pages show minimal wear. Pages with normal age discolouration. 224 pages. Published by Coronet. 1973. ISBN 0340162074.

Sledgehammer is the code name for the operation of an elite OSS unit behind Germany lines during World War II. Five experts in guerrilla warfare are concealed under identities as a crusading journalist, Hollywood stuntman, psychology professor, money man for a major casino gambling operation, and a billionaire bachelor. When the journalist is murdered, his four friends are determined to exact revenge.