Rhea Irvine

Smart arithmetic

1996

Weather & climate (Hotlinks for middle school science)

1999

Volcanoes

1999

Solar system

1999

Skill Power Essential Practice for Every Day Grade 1 (MathLand Journeys Through mathematics)

1998

Oceans (Hotlinks for middle school science)

1999

MathLand

1998

Mathland - Journeys Through Mathematics Guidebook - Grade 4 (Grade 4)

1998

Heroes (Hotlinks for elementary social studies)

1999

Genetics & evolution (Hotlinks for middle school science)

1999

Energy (Hotlinks for middle school social studies)

2000

Daily Tune-Ups II

1996

America (Hotlinks for elementary social studies)

1999