This book and cassette course is a valuable resource for anyone interested in the subject of programming microprocessors. It provides a guide to the topic and includes cassettes and text for self-study. The book is in English and was published in 1978 by Sybex. The author, Rodnay Zaks, is an expert in the field and his expertise is evident in the clear and concise language of the book. The book is available in textbook format and is perfect for anyone interested in computers. You are bidding on the items shown. They are used, and have wear. I do not accept returns at this time, so please contact me with questions before purchase. See photos for condition. Thanks for shopping!