Wladston Ferreira Filho’s Computer Science Distilled is easy to read for newbies as well as IT professionals who want to reinforce or expand their working knowledge of computer science. Easy to understand and in addition to offering step by step instructions on how to solve problems, Filho introduces basic concepts or themes such as algorithms, data structure, and computational theory. Even though it contains basic information it’s definitely less formal and more friendly than such books as “Introduction to computing system.”