L.P. · Lila Perl Erika Weihs · Lila Perl Yerkow
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Cloning | Library Binding | 978-0-7614-1884-9 | 2005 | |
| Four Perfect Pebbles | School & Library Binding | 978-0-7857-1852-9 | 1999 | |
| Four Perfect Pebbles: A Holocaust Story | Paperback | 978-0-380-73188-6 | 1999 | Marion Blumenthal Lazan |
| Four Perfect Pebbles: A True Story of the Holocaust | " | 978-0-06-248996-8 | 2016 | " |
| It Happened in America: True Stories from the Fifty States | Hardcover | 978-0-8050-1719-9 | 1993 | |
| Mummies, Tombs and Treasures | " | 978-0-340-42503-9 | 1988 | |
| Terrorism | Library Binding | 978-0-7614-1583-1 | 2003 | |
| The Ancient Egyptians | " | 978-1-4395-2532-6 | 2009 | |
| The Ancient Egyptians | Paperback | 978-0-531-16738-0 | 2005 | |
| The Ancient Egyptians | Library Binding | 978-0-531-12345-4 | 2004 | |
| The Ancient Maya | Paperback | 978-0-531-16848-6 | 2005 | |
| The global food shortage: Food scarcity on our planet and what we can do about it | Hardcover | 978-0-688-22068-6 | 1976 | |
| The Great Ancestor Hunt: The Fun of Finding Out Who You Are -- Illustrated with Photographs | Paperback | 978-0-02-274981-1 | 1989 | |
| Torture | Library Binding | 978-1-60870-495-8 | 2011 | |
| To the Golden Mountain: The Story of the Chinese Who Built the Transcontinental Railroad | " | 978-0-7614-1324-0 | 2002 | |
Avon Books · Benchmark Books · Franklin Watts · HarperCollins · Henry Holt and Company · Hodder & Stoughton · Macmillan · Marshall Cavendish · Paw Prints · Turtleback Books · William Morrow and Company