Sonic the Hedgehog, Vol. 20: Cause & Effect

By Iasmin Ata and Daniel Barnes Jr.

Sonic and friends deal with the impact of the Restoration's demise in the next installment of the best-selling comic series

While Sonic is trying to find Clutch, Amy and Tails decide to visit towns connected to the Restoration to see how much they are impacted by its loss. The Diamond Cutters, though officially disbanded, stay together to try to rebuild Emeraldville with help from surrounding towns. Surge and Kit are also around trying to help in their own way, but their help isn't always wanted

Volume 20 collects issues #76-78 and the 2024 Annual by writers Ian Flynn, Iasmin Ata, Gigi Dutreix and artists Aaron Hammerstrom, Adam Bryce Thomas, Thomas Rothlisberger, and Mauro Fonseca.

• Format: Paperback
• Language: English
• ISBN: B0DZ1XQHGD
• ISBN13: 9798887243023
• Release Date: December 2025
• Publisher: IDW Publishing
• Length: 120 Pages
• Weight: 0.81 lbs.
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7