The Casebook of Dr. Holton: The Lotus Vellum and The Thirteenth Treasure
| First published | 1978 |
|---|---|
| Publisher | Ace Books |
| Format | Paperback |
| Type | Omnibus |
| Cover art | Kursar |
| Pages | 630 |
| Price | $1.95 |
| ISBN | 0441091768 |
Notes
Although both omnibuses have the same name DO NOT MERGE with each other. They are different books.
• All publication data from philsp.com, its Fantasy Gothics page, and Goodreads.com as of 2019-04-18.