This book titled "BREAKERS and SURF PRINCIPLES IN FORECASTING" was published by the US Navy.  It was printed in 1969.  See photos for a list of the contents.  Perfect for marine enthusiasts and collectors alike, this book provides a unique glimpse into the world of naval oceanography.  This was owned by my uncle and aunt who were marine biologists.  The pages are in good condition.  The paper cover has discoloration and some wear.  The binding are 2 staples.