Han Kedi's "100,000 Whys: Construction and Transport" is an enlightening book that delves into the foundational principles behind the world's most impressive architectural and transportation feats. This volume meticulously explains how massive bridges stand, towering skyscrapers are erected, and various vehicles navigate land, air, and sea. Through engaging explanations, Kedi transforms complex scientific and engineering concepts into accessible knowledge for curious minds. It's an essential resource for young learners and adults alike, fostering a deeper appreciation for the ingenuity and physics that underpin our modern infrastructure and mobility.