Leslie Johnstone

The Ultimate Guide to Your Microscope

Leslie Johnstone

$5.29 - $12.36

Shocking Science: Fun & Fascinating Electrical Experiments

Leslie Johnstone

$5.59 - $9.79

The Magnet Book

Leslie Johnstone

$10.49 - $12.59

The Optics Book: Fun Experiments With Light, Vision & Color

Leslie Johnstone

$5.59 - $6.39

The Incredible Secret Formula Book: Make Your Own Rock Candy, Jelly Snakes, Face Paint, Slimy Putty, and 55 More Awesome Things

Leslie Johnstone

$4.79 - $5.69

Quick-But-Great Science Fair Projects

Leslie Johnstone

$8.19 - $11.39

Bathtub Science

Leslie Johnstone

$5.49

Science Experiments with Sound & Music

Leslie Johnstone

$10.79

Hockey Science: 25 Winning Experiments

Leslie Johnstone

$5.79

Science Experiments with a Microscope

Leslie Johnstone

$9.19 - $9.59

First Science Experiments: Super Senses

Leslie Johnstone

$5.79 - $7.29

The Science of Sound & Music

Leslie Johnstone

$6.89

Sports Science

Leslie Johnstone

$9.59

Extreme 3-D: Weird Animals (Extreme 3-D)

Leslie Johnstone

$14.79

Fun With Your Microscope

Leslie Johnstone

$8.59 - $9.09

The Ultimate Bubble Book: Soapy Science Fun

Leslie Johnstone

$5.49 - $9.49

Kitchen Science

Leslie Johnstone

$7.69 - $10.99

Silly Science: Strange and Startling Projects to Amaze Your Family and Friends

Leslie Johnstone

$4.79

Backyard Science

Leslie Johnstone

$10.49

Extreme 3-D Scary Bugs! (Extreme 3-D)

Leslie Johnstone

Out of Stock

First Science Experiments: Magnet Power! (First Science Experiments)

Leslie Johnstone

$9.19 - $10.49

Everyday Science: Fun and Easy Projects for Making Practical Things

Leslie Johnstone

$7.69

Nifty Nature

Leslie Johnstone

Out of Stock

SMARTLAB: Extreme Secret Formula Lab (Smart Lab)

Leslie Johnstone

$13.29

Scary Science: 25 Creepy Experiments [Paperback] [Jan 01, 2010] Levine, SHar; Johnstone, Leslie

Leslie Johnstone

$4.59 - $6.39

Blast Off! A Rocket Science Kit (Troll Discovery Kit)

Leslie Johnstone

Out of Stock

Science Around the World: Travel through Time and Space with Fun Experiments and Projects

Leslie Johnstone

$9.29 - $14.07

First Science Experiments: The Amazing Human Body (First Science Experiments)

Leslie Johnstone

$7.69 - $8.79

First Science Experiments: Wonderful Weather (First Science Experiments)

Leslie Johnstone

$6.69 - $6.79

First Science Experiments: Mighty Machines

Leslie Johnstone

$4.79