The "Activate 3 Student Book" by Helen Reynolds is a paperback book published by Oxford University Press in 2014. It is part of a series designed for adult learners and university students, providing educational content in English language. The book contains 168 pages and is meant to activate students' learning process through various activities and exercises. With the author's expertise and the publisher's reputation for quality education materials, this book is a valuable resource for those looking to enhance their knowledge and skills in a specific field.