- E-bookThe NSTA Quick-Reference Guide to the Three DimensionsTed Willard
- E-bookThe NSTA Atlas of the Three DimensionsTed Willard
- E-bookThe NSTA Quick-Reference Guide to the NGSS, Middle SchoolTed Willard
- E-bookThe NSTA Quick-Reference Guide to the NGSS, K-12Ted Willard
- E-bookThe NSTA Quick-Reference Guide to the NGSS, Elementary SchoolTed Willard
- E-bookThe NSTA Quick-Reference Guide to the NGSS, High SchoolTed Willard