Trying to help a few students out (only have one book to lend). Looked on Amazon and the PADI OW manual sells for as much as $250 there! I would like to think nobody is that stupid, but there must be a reason these sellers are charging this much.
Amazon.com: PADI: Open Water Diver Manual: PADI: Books
Amazon.com: PADI: Open Water Diver Manual: PADI: Books