Brand new perfect condition Genetics Textbook 4th edition from Genes to Genomes by Leland H Hartwell, Leroy Hood, Lee M.Silver. Perfect for university courses at University of Calgary, MRU, SAIT, mandatory use in courses. Was a great and helpful textbook for me and helped me get an A+ in my Genetics courses. ***NOW INCLUDES STUDY MANUAL SOLUTIONS GUIDE FOR EVEN MORE DETAILED EXPLANATIONS AND PROBLEM SOLVING. selling both study guide and textbook.