CK-12 Biology Workbook CK-12 Foundation Publisher Description CK-12 Biology Workbook complements its CK-12 Biology book. GENRE Science & Nature RELEASED 2012 11 April LANGUAGE EN English LENGTH 379 Pages PUBLISHER CK-12 Foundation SELLER CK-12 Foundation SIZE 4.7 MB More Books by CK-12 Foundation CK-12 Basic Physics - Second Edition 2011 CK-12 Biology 2011 CK-12 Calculus, Volume 1 2010 CK-12 Basic Algebra, Volume 1 2011 CK12 People's Physics Book Version 2 2010 CK-12 Basic Algebra, Volume 2 2011