This is from a Private Estate in Good Condition. The dust jacket has a small tear located on the front near the bottom left corner. There are also some minor wear and tear around the edges of the dust jacket. The hardback book is in great shape with little to mild yellowing due to age.
First Edition 1976
Mammoth in size. Mammoth in text, ideas, routines, vanishes. The largest, most complete and undoubtedly the most important volume on sponge balls ever published. Crystal clear, copiously illustrated. This book will make you the expert.