Amazon has some very nice hardcover kids books in the Things That Go! series for up to 72% off!
Boats: Speeding! Sailing! Cruising! – $5.00 (reg $17.99)
Trucks: Whizz! Zoom! Rumble! – $5.00 (reg $14.98)
Firefighters: Speeding! Spraying! Saving! – $5.00 (reg $14.99)
Any of these ship free with Amazon Prime or when you spend $25 or more!