LOMBARDO, Jennifer . Earth's Moon . ISBN 9781502670137 . PIERCE, Simon . Planets . ISBN 9781502670199 . REYNOLDS, Donna . Humans in Space . ISBN 9781502670168 . THORPE, Judy . The Sun . ISBN 9781502670250 . WASHBURNE, Sophie . Satellites and Space Probes . ISBN 9781502670229 .ea vol: 32p. (The Inside Guide: Space Science). Cavendish Square . Dec. 2023. Tr. $30.21. Gr 4–8— These titles are filled with details about objects within the solar system and humankind's exploration of space from the earliest probes and rockets to plans for future missions to Mars and beyond. The main text is divided into chapters and then broken up by subheadings into smaller chunks. Sidebars, "Fast Fact" textboxes, and captions add more detail, like the definition of a light-year or the classification of dwarf planets. Photos of early rocket launches, concept art of future exoplanet bases, and diagrams of atmospheric layers are examples of the many images. Discussion questions at the end of each book are accompanied by photos, too. Back matter also includes a glossary and suggested books and websites to find out more. VERDICT A helpful update or addition to library collections for research or individual exploration.