Free to Learn: Why Unleashing the Instinct to Play Will Make Our Children Happier, More Self-Reliant, and Better Students for Life

Free to Learn by Peter Gray

Sudbury Valley School

LetGrow.org

Alliance for Self Directed Education

Tipping Points Press - source for Peter Gray’s four collections of essays

Suniya Luthar - vulnerability and resilience among youth under high achievement pressure

Free Range Kids