GALE4
- Underage Drinking, 2013 (9780737767872)
- Vegan Diets, 2014 (9781420511710)
- Venice & the Veneto, 2014 (9781465422248)
- War at Sea and in the Air, 2012 (9781615307531)
- Washington, DC, 2014 (9781465425041)
- Washington, DC, 2014 (9781465425584)
- What Are Food Chains & Food Webs?, 2014 (9781622752379)
- What Are Habitats & Biomes?, 2014 (9781622752423)
- What Are Living and Nonliving Things?, 2014 (9781622752270)
- What Are Natural Disasters?, 2014 (9781622752720)
- What Are Rivers, Lakes, and Oceans?, 2014 (9781622752829)
- What Is a Landform?, 2014 (9781622752577)
- What Is a Life Cycle?, 2014 (9781622752324)
- What Is the Rock Cycle?, 2014 (9781622752676)
- What Is the Structure of a Plant?, 2014 (9781622752522)
- What Is the Structure of an Animal?, 2014 (9781622752478)
- What Is the Water Cycle?, 2014 (9781622752621)
- What Is Weather?, 2014 (9781622752775)
- The World Economic Factbook 2013, 20th ed., 2012 (9781842646038)
- World Energy Crisis: A Reference Handbook, 2013 (9781610691482)
- Wrestling, 2014 (9781420511239)
- Zen Living, 2014 (9781615644339)
