Alien Investigation: Searching for the Truth about UFOs and Aliens

Can Rats Swim from Sewers into Toilets?: And Other Questions about Your Home

Does It Really Take Seven Years to Digest Swallowed Gum?: And Other Questions You've Always Wanted to Ask

Can Lightning Strike the Same Place Twice?: And Other Questions about Earth, Weather, and the Environment

Does an Apple a Day Keep the Doctor Away?: And Other Questions about Your Health and Body

Give It a Push! Give It a Pull!: A Look at Forces

My Home, Your Home

To the Moon!

To Mars!

All Charged Up: A Look at Electricity

Attract and Repel: A Look at Magnets

The Energy That Warms Us: A Look at Heat

How Big? How Heavy? How Dense?: A Look at Matter

Why Do Moving Objects Slow Down?: A Look at Friction

Day and Night

Using Political Maps

The Night Sky

What Holds Us to Earth?: A Look at Gravity

It's Snowy Today

Guess What Is Growing Inside This Egg