The Lean Budget is a must-read book for businesses operating in agile environments. Written by Chris Matts and Garry Berteig, this book explores how traditional budgeting practices can hinder agility and provides practical guidance on implementing lean budgeting techniques. It covers topics such as budgeting cycles, funding models, and cost control in agile organizations. By adopting lean budgeting principles, businesses can align their financial planning with agile practices, enabling faster decision-making and improved adaptability. This book is essential for business leaders and finance professionals seeking to embrace agility in their budgeting processes.