While you can't judge a book by its cover, you can judge a book by the first sentence.
From C. S. Lewis' The Chronicles of Narnia: Prince Caspian
From Aaron Reynolds' The Incredibly Dead Pets of Rex Dexter
From Trent Reedy's Divided We Fall: The Last Full Measure
From Nancy Springer's Enola Holmes and the Black Barouche
From Maria Scrivan's Nat Enough
Angie Sage's Septimus Heap: Physik
From Richard and Florence Atwater's Mr. Popper's Penguins
From C. S. Lewis's The Chronicles of Narnia: The Horse and His Boy
From Mike Thayer's The Double Life of Danny Day
From James Patterson and Gabrielle Charbonnet's Maximum Ride: Hawk
From Jared Cullum's Kodi
From S. J. Kincaid's Insignia: Catalyst
From James Dashner's The Mortality Doctrine: The Game of Lives
From Angie Sage's Septimus Heap: Flyte
From Elana K. Arnold's Bat and the End of Everything
First Sentence of a New World 