CARTHA is a non-profit curated platform for sharing different forms of critical thinking regarding architecture and society, founded in 2015. Through opinions, experiences, and works it aims to map the contemporary architectural landscape and to bridge gaps between academic discourse and practical work. Each year CARTHA dedicates to a specific topic.In 2015 the topic was "Relations within the architectural spectrum." This book collects contributions by forty-two young architects from around the world in four sections: Worth Sharing, Confrères, Mannschaft, and Santisima Trinidad. They aim to develop the ways in which architects share, relate to architects, to workers, and to their clients and user of their buildings. Each section features an introductory interview with a renowned architect and a visual exploration by an up-and-coming photographer.