Twenty six inventions, from aluminum to odomoeter to zipper, are highlighted in this colorful picturebook. Each entry includes a simple sentence that names and briefly describes an invention. For older students or more specific discussion, a set of paragraphs describe the invention in greater detail. Appendix includes a set of 14 questions (answers included) that encourage readers to think more on what they learned while reading. Also at the end is a full page on patents - what they are and why they are important. Illustrations are large and colorful, showing the invention in use, most often the original version is depicted (wooden bicycle, old style radio).