A Division of Houghton Mifflin Harcourt Heinemann

Teachers must stay current. Teachers must stay current.

Learn why Libby Manning would not trust a doctor (or a teacher) who didn’t stay up on the latest knowledge. more »

Professional Development by Thier

Marlene Thier

Marlene Thier

Product Type: Speaker
Grade: K - 12

Marlene Thier, a 25-year veteran of the classroom, has been a science materials developer, teacher educator, and internationally recognized leader in the movement to link science and literacy education. She has made presentations on the subject at conferences from California to South Africa, Brazil and Hong Kong and has worked closely... more