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by Purposeful DesignHardcover ISBN: 978-1-58331-534-7 ISBN-10: 1-58331-534-9 (978-1-58331) · 2014  | 
| See also (possibly by other authors): | ||
| 2015 | Misc. Supplies | 13+ Science Level 1 (Autumn Term 2015) | 
| 2015 | Misc. Supplies | 13+ Science Level 1 (Spring Term 2016) | 
| 2003 | Hardcover | Science (Grasshopper) Level 6 | 
| 2002 | Hardcover | Harcourt Science: Student Edition Grade 6 2002 | 
| 1999 | Hardcover | Harcourt Science: California Edition Level 5 | 
| 1999 | Hardcover | Science: California Edition Level 4 | 
| 1999 | Hardcover | Science, Level 6 |