The fourth Canadian edition of HDEV highlights relevant, updated research, immediately engaging students by emphasizing the biopsychosocial framework of lifespan psychology. It provides current coverage of topics such as the effects of technology, LGBTQ, social media, physician-assisted dying, changing family dynamics, and many more. The new edition continues to update and incorporate relevant content relating to Indigenous peoples in Canada throughout the text. Through ongoing research into students’ workflows and preferences, HDEV’s format combines an easy-to-reference paperback textbook with popular tear-out Chapter Review Cards.