| title | ISBN-13 | year of publication |
|---|---|---|
| Once a Week Comprehension Book 1 Indian | 978-0-435-99699-4 | |
| Once a Week Comprehension Book 2 Indian | 978-0-435-99700-7 | |
| Once a Week Comprehension Book 3 Indian | 978-0-435-99701-4 | |
| Once a Week Comprehension Book 4 Indian | 978-0-435-99702-1 |