H.A. ยท Heather A.
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Timekeeper: A Steampunk Time-Travel Adventure | Paperback | 978-1-938808-41-8 (1-938808-41-X) | 2017 |
| Timekeeper: A Steampunk Time-Travel Adventure | Hardcover | 978-1-938808-47-0 (1-938808-47-9) | 2017 |