- AtoZ world food, by World Trade Press
- Nerd Aa - Zz, your reference to literally figuratively everything you've always wanted to know, T.J. Resler
- The encyclopedia of the Roman Empire, general editor, Carlos Ǵomez
- The encyclopedia of superheroes on film and television, John Kenneth Muir
- The dog encyclopedia for kids, by Merriam Garcia
- The World Book encyclopedia, World Book Inc
- Marvel encyclopedia, Tom DeFalco, Peter Sanderson, Tom Brevoort, Michael Teitelbaum, Daniel Wallace, Andrew Darling, Matt Forbeck, Alan Cowsill, Adam Bray ; foreword by Chris Claremont ; with an introduction by Stan Lee
- Sci-fi chronicles, a visual history of the galaxy's greatest science fiction, general editor, Guy Haley ; foreword by Stephen Baxter
- Encyclopedia of urban legends, Jan Harold Brunvand ; artwork by Randy Hickman
- Oh my gods!, a look-it-up guide to the gods of mythology, Megan E. Bryant
- Magill's medical guide, medical editors, Bryan C. Auday, Ph.D. (Gordon College), Michael A. Buratovich, Ph.D. (Spring Arbor University), Geraldine F. Marrocco, Ed.D., APRN, CNS, ANP-BC (Yale University School of Nursing), Paul Moglia, Ph.D. (South Nassau Communities Hospital)
- Encyclopedia of American Indian history & culture, stories, time lines, maps, and more, Cynthia O'Brien
- Who's who in American history, leaders, visionaries, and icons who shaped our nation, K. M. Kostyal
- LEGO Ninjago character encyclopedia, written by Simon Hugo and Claire Sipi
- The DC comics encyclopedia, the definitive guide to the characters of the DC universe, text by Alan Cowsill, Alex Irvine, Steve Korte, Matt Manning, Stephen (Win) Wiacek, Sven Wilson ; additional text by Scott Beatty, Robert Greenberger, Phil Jiminez, Nick Jones, Dan Wallace
- The complete dog breed book, consultant editor, Dr. Kim Dennis-Bryan ; commissioned photography by Tracy Morgan
- Marvel Avengers, the ultimate character guide, written by Alan Cowsill and John Tomlinson
- The world book encyclopedia, World Book Inc
- Marvel encyclopedia, editor, Jeff Youngquist, [Vol. 5]
- The cat encyclopedia for kids, by Merriam Garcia