Forever Lost
| Series | The Hardy Boys: Undercover Brothers, The Lost Mystery Trilogy |
| Imprint | Aladdin |
| Publisher | Simon & Schuster Children's Publishing Division |
| Copyright Holder | Simon & Schuster |
| Designed by | Sammy Yuen Jr. |
| Cover photo | Michael Frost |
| Format | Paperback |
| Language | English |
| Location | New York |
| This Edition Published | 2011-01 |
| Copyright | 2011 |
| Pages / Font | 153 pages |
| Series Number | 3 |
| ISBN 13 | 978-1-4424-0264-5 |
| Barcode | 9 781442 402645 |
| EAN 5 | 50599 |
| Price | $5.99 U.S. |
| Price | $6.99 Can. |
| Printer's Key | 10 9 8 7 6 5 4 3 2 1 |
| Library of Congress Catalog Card Number | 2010915025 |
| Other | 0111 |
| Chapters | 1. Aboveground 2. A Quick Nap 3. The Lion Sleeps Tonight 4. Intervention 5. Happyland 6. Stanley 7. On the Run 8. Memories 9. Back Under 10. Map Quest 11. Motives Unknown 12. Bear Habitat 13. Just Keep Him Talking 14. Going In 15. Science and Logic 16. Imperfect |
| Notes | First Aladdin paperback edition Character photograph copyright © 2010 by Michael Frost; background photograph copyright © 2010 by iStock Ages 8-12 |
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