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- The American bison, the buffalo's survival tale, Andy Hirsch
- Rocks and minerals, geology from caverns to the cosmos, Andy Hirsch
- Trees, kings of the forest, Andy Hirsch
- Electricity, energy in action, Andy Hirsch ; introduction by Robert C. (Rob) Maher, PhD, PE
- The transcontinental railroad, crossing the divide, Andy Hirsch
- The American bison, the buffalo's survival tale, Andy Hirsch
- Rocks and minerals, geology from caverns to the cosmos, Andy Hirsch
- Trees, kings of the forest, Andy Hirsch
- Electricity, energy in action, Andy Hirsch ; introduction by Robert C. (Rob) Maher, PhD, PE
- The transcontinental railroad, crossing the divide, Andy Hirsch
- Garfield, full course, created by Jim Davis ; written by Mark Evanier, Scott Nickel ; art by Gary Barker, Dan Davis, Mike DeCarlo, Andy Hirsch, Mark & Stephanie Heike ; colors by Braden Lamb, Lisa Moore ; letters by Steve Wands, Volume one
- Rocks and minerals, geology from caverns to the cosmos, Andy Hirsch
- Trees, kings of the forest, Andy Hirsch
- Electricity, energy in action, Andy Hirsch ; introduction by Robert C. (Rob) Maher, PhD, PE
- The transcontinental railroad, crossing the divide, Andy Hirsch