Luna, Bianca and Billy are on a secret spy mission when they come across what looks like an abandoned and overgrown yard. With the help of some neighborhood volunteers, the kids turn the yard into a beautiful and sustainable garden and help an old man reconcile his past along the way. Includes extensive nonfiction information about no-till gardening throughout.

Written and illustrated by Maija Hurme. Translation of: Plats på jorden.

Gardening without digging -- Life under the surface -- Composting -- Sowing a seed -- In the beehive -- Appendix: The more you know -- Glossary.