ISBN-13: 9781557091857 / Angielski / Miękka / 2006 / 320 str.
Published by Scientific American in 1905, this is the story of a group of boys who explore Clump Island, a fictional place where boys could be boys. As they explore the island, the young friends are able to test their skills building all kinds of things, and diagrams and illustrations for the projects are included.