Bumble Bees of North America: An Identification Guide (Princeton Field Guides)

A Mutually Beneficial Relationship: Attracting Beneficial Insects To Your Garden
The Bee: A Natural History
Niteangel Insect Hotel Bee/Butterfly House with Asphalt Shingles
Woodlink Audubon Traditional Wren House Model NAWREN
Niteangel Natural Insect Hotel Bee Bug House/Hotel (Classic)