This book discusses two points of Adobe buildings: The first point is to save that large heritage of earth architecture and Adobe buildings around the world, by restoring and repairing the damages of those buildings Sec. point is to find an alternative material to rice straw to be used for making Adobe brick, Provided that availability the same quality of rice straw.Egypt is considered one of the oldest and famous for Adobe construction and it appears in Siwa Oasis and in Upper Egypt like the new Qurna village which is one of Hassan Fathy's works. The village because of the neglecting for years needs a lot of restoration work, so the book will show some of the reasons and types of Adobe damages, and the techniques of repairing and restoring Adobe, As it known, water is the enemy of Adobe buildings, so we will focus on an absorbing water test, testing the palm leaves as an alternative material to rice straw, and comparing between them first as a raw materials in absorbing water, sec. after using them in producing the bricks, the samples made of palm leaves and the samples made of rice straw in absorbing water.