The Encyclopedia of Immaturity contains more than 400 pages of essential childhood skills, activities, mischief and secret knowledge - from how to make the world's best paper plane to how to hang a spoon from your nose, all painstakingly explained with photographs, illustrations and diagrams.

Following on from the success of "The Encyclopedia of Immaturity" comes "Volume 2: Shenanigans". In this book are detailed explanations of how to fake a cold, make your hand explode and burp at will - enough for hours of entertainment!