Book Description: NOTE: THIS IS THE SOFTCOVER INTERNATIONAL EDITION. Selling much cheaper than the hardcover. Same authors, same publisher, same 7th Edition. Published 2012. It has no writing or marks inside and looks brand new inside. There are 5 creases on front cover and also about 5 creases on back cove. All pages are intact and none are bent. Very good condition. The isbn # is: 13: 978-1-111-42564-7. Cover photo is different. It is an orange and blue cover with a jellyfish. I compared book to content in my other classmates hardcover version and the content is basically the same. Less $ for softcover international edition. I got an A in Biochem! It worked.