October 4-5, 2019 at the South Dakota Festival of Books international author, Gary Wietgrefe's signed and discussed his books that tie education, school system, parenting, technology, and business with 21st century culture and learning.
October 4-5, 2019 at the South Dakota Festival of Books international author, Gary Wietgrefe's signed and discussed his books that tie education, school system, parenting, technology, and business with 21st century culture and learning.