| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Dr. DooRiddles A2 | 978-0-89455-877-1 | 2005 | |
| Dr. DooRiddles A3 | 978-0-89455-878-8 | 2005 | |
| Spelling DooRiddles A1 | 978-0-89455-904-4 | 2005 | Tracy A. Dolittle |
| Spelling DooRiddles, Book B1 | 978-0-89455-905-1 | 2005 | Tracy A. Doolittle |
H.D. · J.D. · J Doolittle · J. H. · John D. · John Doolittle · John H.