| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Hidden World of the Aztec | 978-1-59078-069-5 (1-59078-069-8) | 2006 |
| Hudson River: An Adventure from the Mountains to the Sea | 978-1-56397-703-9 (1-56397-703-6) | 1998 |
| The Lost World of the Anasazi: Exploring the Mysteries of Chaco Canyon | 978-1-59078-475-4 (1-59078-475-8) | 2007 |
Peter L. · Peter Laurie · Peter Layer · Peter Lear · Peter Lehr · Peter Lewry · Peter Loewer · Peter Loire · Peter Lorie · Peter Lorre · Peter Lühr · Peter Lurie