Buku yang Dikarang by Doug Sylvester

Matter And Its Changes

Animals

Electricity

Minerals, Rocks, Volcanoes & Earthquakes

Mind Games & Puzzles

Optical Illusions and Loco Logos

Light, Colour And The Eye

Myths From Around The World Gr. 4-6

Tall Tall Tall Tales

Folkfest

Space

History Of Rock And Roll

Cartoons And Comics

Stereos And Stuff

Advertising

Royal Canadian Mounted Police

The Environment

World War I

World War II

Canada Eh!

Wild Wild Weather

Rock Band Simulation

Flight

Music Video FX

Hockey Hoopla

Project Geos

Hockey Hoopla

Energy Around Us

War of 1812

World Explorers

Mental Illness