The "Interchange Level 1B – Student’s Book with Online Workbook, Fifth Edition" by Jack C. Richards is a language course focused on English as a Second Language for beginners. Published by Cambridge University Press in 2017, this revised edition includes an online self-study and online workbook featuring 176 pages of content. The trade paperback format measures 10.8 inches in length, 8.5 inches in width, and 0.4 inches in height, making it a convenient resource for foreign language study. With its comprehensive approach and updated features, this book is an essential tool for those looking to enhance their English language skills.