| title | ISBN-13 | year of publication |
|---|
| Discovering Earth's Resources, Unit 2 A Green Future | 978-0-07-656432-3 | 2011 |
| Earth's Amazing Resources, Unit 2 A Green Future | 978-0-07-656434-7 | 2011 |
| Investigating Earth's Resources, Unit 2 A Green Future | 978-0-07-656431-6 | 2011 |
| Lead 21, Resource Masters, Grade 2 | 978-0-07-657440-7 | 2011 |
| Phonics Focus, Study Station Flip Chart, Lead21 | 978-0-07-656293-0 | 2011 |
| Phonics Focus, Study Station Flip Chart, Lead21 | 978-0-07-656352-4 | 2011 |
| Protecting Earth's Resources, Unit 2 A Green Future | 978-0-07-656433-0 | 2011 |
| Resource Masters, Grade 1, Lead21 | 978-0-07-657439-1 | 2011 |
| Resource Masters, Grade 3, Lead21 | 978-0-07-656265-7 | 2011 |
| Resource Masters, Kindergarten, Lead21 | 978-0-07-656292-3 | 2011 |