Title: The English Gym I with Digital Workbook
Author: Jon Charles
ISBN: 978-4-9909741-5-2 
Publisher: Oak Hills Press
Type: Conversation / Speaking
Learning Environment: University 
CEFR Level: A2-B1 (Elementary to Intermediate)
Description: TEG I is designed specifically for Japanese university students. Includes common mistakes for Japanese learners of English and a digital workbook. Quizlet and Kahoot! sets are pre-made.