"Something is going wrong on many college campuses in the last few years. Rates of anxiety, depression, and suicide are rising. Speakers are shouted down. Students and professors say they are walking on eggshells and afraid to speak honestly. How did this happen? First Amendment expert Greg Lukianoff and social psychologist Jonathan Haidt show how the new problems on campus have their origins in three terrible ideas that have become increasingly woven...

When pirate cats threaten Mouse Island, Professor von Volt sends Geronimo Stilton and his friends back through time to ancient Greece, Atlantis, and Stonehenge to try and find out how ancient civilizations were able to find peace and avoid war--only to find that the key to peace was under their whiskers the whole time.