The Witchmaster's Key
| Publisher | Grosset & Dunlap |
| Series | The Hardy Boys |
| Publisher Series | Hardy Boys Mystery Stories |
| Format | Hardback |
| Language | English |
| Location | New York |
| Copyright | 1976 |
| Pages / Font | 179 pages |
| Library of Congress Catalog Card Number | 75-17392 |
| ISBN | 0-448-08955-6 |
| Series Number | 55 |
| Other | 8955 |
| Notes | Blue Cover |
Added by jlkrien · Last edited by Anaideia