Milestones of Child Development

A 468-page lifespan development textbook covering heredity, prenatal growth, and every stage from infancy through late adulthood. Used in university psychology courses as an open educational resource.

Martha Lally, Suzanne Valentine-French

An open textbook from College of the Canyons that follows child growth from conception through adolescence, with chapters on prenatal development, infancy, and middle childhood. Built for early-childhood education courses.

Alexa Johnson

A 219-page developmental psychology textbook adapted from Lumen Learning that walks through life-span growth, developmental theories, and every major stage from infancy to late adulthood. Used in community college courses under a CC-BY license.

Lumen Learning

A 213-page developmental psychology manual from the University of Mumbai, covering lifespan theories, research methods, and developmental stages from conception through aging. Structured as a university course text.

University of Mumbai

A 185-page study by David Elkind that applies Piaget's developmental theory to educational practice, written for teachers who want to understand how children think at each stage. A foundational text for anyone studying cognitive development.

David Elkind