Lost Brother
| Series | The Hardy Boys: Undercover Brothers, The Lost Mystery Trilogy |
| Imprint | Aladdin |
| Publisher | Simon & Schuster Children's Publishing Division |
| Copyright Holder | Simon & Schuster, Inc. |
| Cover/Jacket Design by | Sammy Yuen Jr. |
| Cover photo | Michael Frost |
| Format | Paperback |
| Language | English |
| Location | New York |
| This Edition Published | 2010-10 |
| Copyright | 2010 |
| Pages / Font | 152 pages |
| ISBN 13 | 978-1-4424-0256-0 |
| Barcode | 9 781442 402560 |
| EAN 5 | 50599 |
| Series Number | 2 |
| Price | $5.99 U.S. |
| Price | $7.99 Can. |
| Printer's Key | 10 9 8 7 6 5 4 3 2 1 |
| Library of Congress Catalog Card Number | 2010924238 |
| Other | 1010 |
| Chapters | 1. Blind Terror 2. Dead Ends 3. Fact-Checking 4. Surprising Outbursts 5. Seeing the Light 6. New Suspicious 7. Asking Alice 8. Scene of the Crime 9. Exploring 10. Nuts and Bolts 11. Caring and Sharing 12. More Mysteries 13. Food for Thought 14. Mr. Smith Comes to Idaho 15. Nowhere to Run 16. A Different Kind of Horsepower 17. The Tunnels 18. Burning Questions 19. Found |
| Notes | First Aladdin paperback edition Character photograph copyright © 2010 by Michael Frost; background photograph copyright © 2010 by PictureQuest Ages 8-12 |
Added by almoadhadi