Michael K. Cummings

• Valuepack : Brock Biology of Microorganisms and Student Companion Website Plus Grade tracker Access Card : International Edition/ Essentials of Genetics
• Valuepack : Concepts of Genetics : International Edition/Brock Biology of Microorganisms
• Valuepack : Concepts of Genetics and Student Companion Website Access Card Package : International Edition/Brock Biology of Microorganisms and Student Companion Website Plus Grade Tracker Access Card
• Valuepack : Essentials of Genetics : International Edition/Biology Labs On-Line