Dark Day in the Deep Sea
| Illustrator | Sal Murdocca |
| Cover Art by | Sal Murdocca |
| Copyright Holder (Text) | Mary Pope Osborne |
| Copyright Holder (Illustrations) | Sal Murdocca |
| Copyright Holder (Cover/Jacket Art) | Sal Murdocca |
| Cover/Jacket Design by | Heather Palisi |
| Publisher | Random House Children's Books |
| Series | Magic Tree House, Merlin Missions |
| Format | Hardback |
| Language | English |
| Location | New York |
| Copyright | 2008 |
| Pages / Font | 106 pages |
| Series Number | 39 |
| ISBN 13 | 978-0-375-83731-9 |
| Barcode | 9 780375 837319 |
| EAN 5 | 51199 |
| Price | $11.99 U.S. |
| Price | $14.99 CAN. |
| Other | RL: 2.7 |
| Library of Congress Classification Number | PZ7.O81167Dar 2008 |
| Dewey Decimal Classification Number | [Fic]-dc22 |
| Library of Congress Catalog Card Number | 2007029717 |
| Printer's Key | 10 9 8 7 6 5 4 3 2 1 |
| Edition No. | 1 |
| Chapters | Prologue 1. Back to the Sea 2. Pirates Again? 3. A Creature Named Henry 4. Off the Ship! 5. Ooze 6. Pea Soup 7. Help! 8. Monster of the Deep 9. Think! Think! 10. The Heart of the Ocean 11. Good-bye, Mates Author's Notes |
| Notes | A Stepping Stone Book™ |
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