Download or read book Ctrl-Z written by Andrew Norriss and published by Penguin UK. This book was released on 2009-03-05 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alex is used to getting unusual birthday presents from his Godfather John – a pair of ferrets, or a Make Your Own Explosions Kit. But this year's present is something really different – a computer that takes you back to an earlier part of the day when you hit Ctrl-Z . . . Join Alex and his friend Callum as they discover the true results of making mistakes, with plenty of laughs and mayhem along the way!