The "Guidebook to Mechanism in Organic Chemistry" by Peter Sykes is a comprehensive textbook aimed at students and professionals in the field of organic chemistry. Published in 1986 by Pearson Education (US), this 6th edition paperback book provides detailed explanations of various chemical mechanisms in organic chemistry. With 432 pages of content, this guidebook covers a wide range of topics and is a valuable resource for anyone looking to deepen their understanding of organic chemistry. The book is written in English and is 216mm in height and 138mm in width, making it a convenient size for easy reference and study.