You are looking on one 6" by 9"softcover copy of "Open Water Certification Sport Diver Manual Volume 1" byJeppesen, printed in1979.This item is in goodcondition with a little bit of soiling of the covers,all the pages are clean and tight.Chapters include:Equipment, Diver, Environment, The Dive Detailed Appendix. Filled with diagrams and color photographs.Thanks for Looking.A15***Powered by eCRATER