Zachary Fruhling is the lead content developer and primary author of the successful Aplia online homework product for Patrick Hurley's A Concise Introduction to Logic, used by introductory logic students in colleges and universities nationwide. In addition, Zachary Fruhling developed Aplia online course materials for college-level critical thinking, introduction to philosophy, introductory ethics, and personal finance courses.
Aplia for Hurley's A Concise Introduction to Logic
Aplia for Soccio's Archetypes of Wisdom: An Introduction to Philosophy
Aplia for Velasquez's Philosophy: A Text with Readings
Aplia for MacKinnon's Ethics: Theory and Contemporary Issues
Aplia for Chaffee's Thinking Critically
Aplia for Jackson and Newberry's Critical Thinking: A User's Manual
Aplia for Rainbolt and Dwyer's Critical Thinking: The Art of Argument
Aplia for Garman and Forgue's Personal Finance