H.H. · H.T. · T.H. · T. H. L ??
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Flight 1 Essay Writing Student Workbook | 978-0-692-40009-8 (0-692-40009-5) | 2015 |
| Flight 2 Essay Writing Student Workbook | 978-0-692-40010-4 (0-692-40010-9) | 2015 |
| Flight 3 Essay Writing Student Workbook | 978-0-692-40011-1 (0-692-40011-7) | 2015 |