Ryan Nagelhout

Prophecies of Nostradamus (History's Mysteries)

Tanks (Mighty Military Machines)

Plankton (Glow-In-The-Dark Animals)

Football's Greatest Records (Greatest Records in Sports)

Me Encanta la Gimnasia/I Love Gymnastics (MIS Deportes Favoritos / My Favorite Sports)

Becoming a Pro Hockey Player (Going Pro)

I Love Gymnastics (My Favorite Sports)

Becoming a Pro Football Player (Going Pro)

The Heart and Blood in Your Body (Let's Find Out! the Human Body)

Me Encanta El Beisbol / I Love Baseball (MIS Deportes Favoritos / My Favorite Sports)

The First Moon Walk (Incredible True Adventures)

People of the Great Lakes (Exploring the Great Lakes)

Be a Geologist (Be a Scientist!)

Preserving the Dead (Digging Up the Dead)

What Is a Moon? (Let's Find Out! Space)

Time Zones (Map Basics)

20 Fun Facts about the Moon (Fun Fact File: Space!) (Fun Fact Files: Space!)

I Love Baseball (My Favorite Sports)

I Love Football (My Favorite Sports)

I Love Soccer (My Favorite Sports)

I Love Basketball (My Favorite Sports)

I Love Hockey (My Favorite Sports)

The Mohawk People (Native American Cultures)

Me Encanta El Hockey / I Love Hockey (MIS Deportes Favoritos / My Favorite Sports)