Ask. Cobblestone Publishing Company. Toll-free: (800) 821-0115.
www.cobblestonepub.com. (grades 2-4)
ChickaDEE. Bayard Canada. Toll-free: (800) 551-6957.
www.owlkids.com/chickadee/. (preschool-grade 4)
Click. Cricket Magazine Group. Toll-free: (800) 821-0115.
www.cricketmag.com. (grades 1-3)
Dig. Cobblestone Publishing Company. Toll-free: (800) 821-0115.
www.cobblestonepub.com. (grades 4 and up)
Dolphin Log. Cousteau Society. Toll-free: (800) 441-4395.
www.dolphinlog.org. (grades 2 and up)
Kids Discover. (212)-677-4457.
www.kidsdiscover.com. (grades K and up)
Muse. Cricket Magazine Group. Toll-free: (800) 821-0115.
www.musemag.com. (grades 3 and up)
National Geographic Kids. National Geographic Society. Toll-free: (800) 647-5463.
www.nationalgeographic.com. (grades 3-5)
Odyssey. Cobblestone Publishing Company. Toll-free: (800) 821-0115.
www.cobblestonepub.com. (grades 4 and up)
OWL. Bayard Canada. Toll-free: (800) 551-6957.
www.owlkids.com/owl/. (grades 3-5)
Ranger Rick. National Wildlife Federation. Toll-free: (800) 611-1599.
www.nwf.org. (grades 1-5)
Your Big Backyard. National Wildlife Federation. Toll-free: (800) 611-1599.
www.nwf.org. (preschool-grade 1)
WonderScience. American Chemical Society. Toll-free: (800) 227-5558.
www.chemistry.org. (grades 4 and up)
Zoobooks. Wildlife Education. Toll-free (800) 992-5034.
www.zoobooks.com. (grades K and up)