David Harstad

David Harstad is the author of "223 Writing Prompts", "Student Teaching Guide A-Z", "90 Calculator Riddles" and "185 to Go".

Books by David Harstad

90 Calculator Rid...
Harstad, David
Paperback: $7.98

223 Writing Promp...
Harstad, David
Paperback: $10.98

10 Websites for S...
Harstad, David
Paperback: $6.98

185 to Go
Harstad, David
Paperback: $9.98