My son studied biomes and habitats a few years ago and the series Biomes of North America by Rebecca L. Johnson was part of his science curriculum. Each book is about 45-50 pages with large print and plenty of high quality photographs. The titles are: A Walk in the Boreal Forest, A Walk in the Deciduous Forest, A Walk in the Dessert, A walk in the Prairie, A Walk in the Rain Forest, A Walk in the Tundra, A Journey into an Estuary, A Journey into a Lake, A Journey into the Ocean, A Journey into a River, and A Journey into a Wetland. He was at a first grade reading level and needed a little help with some of the words. Usually we took turns reading. I think that I enjoyed them as much as he did. He loved the books and would request them to read or to be read to at other times as well. These books contain a wealth of information and draw the reader in into each of the biomes in a personal way. In fact, his older sister who was a sixth grader at the time would borrow the books to read herself.