This is a wonderful book. Algorithms and computation explained using the likes of Hansel and Gretel, Indiana Jones, Sherlock Holmes, and Harry Potter. For 35 years I've been trying to explain to people that algorithms are all around us, and that algorithmic thinking is an absolutely crucial skill that is needed in our day-to-day lives way beyond mere computers and electronics. Finally, here is a book for them to read. - David Harel, Professor, The Weizmann Institute of Science, Vice President, Israel Academy of Sciences and Humanities; author of Algorithmics sakriti opis