Yakov G Sinai is one of the most important and influential mathematicians and physicists. He won the Wolf Prize for Mathematics in 1997 and Nemmers Prize in 2002.This volume contain several papers, some papers related to probability theory and statistical physics, papers on Anderson localization for some classes of Schroedinger equations and the papers on Interval Exchange Transformations, joint with C Ulcigrai and A Bufetov. Of notable mention are the paper on the distribution of the first positive sums in the case of independent random variables which was the author's first publication and the joint paper with V Yakhot which had several applications among hydrodynamical community.