Julien’s Primer of Drug Action by Claire D. Advokat, Joseph E. Comaty, and Robert M. Julien is a comprehensive textbook published by Worth Publishers, Incorporated in 2014. With a focus on psychology and medical subjects, this trade paperback covers topics in psychiatry/psychopharmacology and general principles. The revised edition features 672 pages of valuable information in English, making it a go-to resource for students and professionals in the field.