The International Society of Arboriculture, or ISA, offers an official study guide to help students prepare for its ISA certification program. It is available for purchase from the ISA website or from other online book retailers such as Amazon.com.
For members of the International Society of Arboriculture, the ISA Arborist's Certification is available at a discounted price in the ISA Web store. The study guide costs $124.95 for non-members and $84.95 for ISA members, as of 2015. Membership is obtainable through an application on the website, and the ISA offers discounted membership for seniors and high school, undergraduate and graduate students.
The study guide is 352 pages long and supplemented with full-color illustrations. It includes a thorough preparatory program for ISA certification for both directed and self-study, with chapters organized around learning objectives and key topics. The guide also features a workbook section, with challenge questions and sample test questions that should prepares test takers for most challenges in the ISA certification exam.
The ISA web store also offers additional study materials such as audio CDs and interactive CD-ROMs covering a variety of issues in arboriculture, including topics such as risk assessment, tree protection and tree biology.
The ISA official study guide is also available in Spanish and Portuguese.