Mr. Hynde is Out of His Mind! is the sixth book in the popular My Weird School series by Dan Gutman. This hilarious and entertaining story follows the adventures of the students at Ella Mentry School as they encounter their new music teacher, Mr. Hynde. With his unconventional teaching methods and outrageous behavior, Mr. Hynde keeps the students on their toes and provides plenty of laughs along the way. This book is perfect for young readers who enjoy funny and engaging stories.