From the reviews: "This book is one of Springer's Selected Works in Probability and Statistics series offering to readers an opportunity of getting assembled and commented works of distinguished scholars in probability and statistics. ... The reviewed book contains reprints of 38 mathematical papers out of Burkholder's 53 listed (mathematical articles) and four comments by him as well as two commentaries on his work by his students ... . This book is recommended for scientists in the field of mathematics and statistics." (Adriana Hornikova, Technometrics, Vol. 54 (1), February, 2012)