Biochemistry: Concepts and Connections by Dean R. Appling and Spencer J. Anthony-Cahill English | 2015 | ISBN: 129211200X, 0321839927 | 912 pages | PDF | 129 MB
Fundamentals of Nursing Care: Concepts, Connections & Skills, 2 edition by Marti Burton RN BS and Linda Ludwig RN BS MEd English | 2014 | ISBN: 0803639740 | 1056 pages | PDF | 23,6 MB
Living in the Environment: Concepts, Connections, and Solutions, 16th Edition by Jr. G. Tyler Miller, Scott E. Spoolman English | September 24, 2008 | ISBN: 0495556718 | 828 pages | PDF | 35 Mb