Houghton Mifflin Reading: The Nation's Choice: Theme Paperbacks Challenge Level Theme 6 Grade 5 To the Top of the World (Houghton Mifflin reading : theme paperback)

For one special summer, Jim Brandenburg had the unique privilege of being "adopted" by an Arctic wolf pack on a remote arctic island. Coming back with an award-winning series of full-color photographs, Brandenburg has created a spellbinding tribute to this elusive and legendary animal.