The COLOSS BEEBOOK is a unique venture that aims to standardise methods for studying the honey bee. It is a practical manual compiling close to 1700 standard methods in all fields of research on the honey bee, Apis mellifera, and will become the definitive, but evolving, research manual, composed of 31 peer-reviewed chapters authored by 234 of the world’s leading honey bee experts representing 34 different countries. Chapters describe methods for studying honey bee biology, methods for understanding honey bee pests and pathogens, and methods for breeding honey bees.