After a long workday, do you find it difficult to concentrate while studying for your ISA Arborist Certification exam? Do you catch yourself reading the same paragraph over and over? Acclaimed by many certified arborists as the study aid that helped them pass the exam, this audio version of the Arborists' Certification Study Guide may be just what you need! Developed to complement the printed study guide in preparation for the ISA Arborist Certification exam, this set of 16 audio CDs is designed to apply focus to study sessions and reinforce concepts discussed in the text. The CD set, in a convenient plastic carrying case, is a complete reading of the study guide. Included are the workbook questions at the end of each chapter and verbal descriptions of some of the photos and drawings in the guide. (©2010, 16 chapters on 16 audio CDs, each chapter approx. 60 min.) Note: This audio version is intended as a supplement to the printed Arborists' Certification Study Guide and is not recommended for exam preparation unless used in combination with the printed version. - from Amzon