All aboard! This adorable board book will have little conductors jumping for joy as they count all of their favorite types of trains including freight trains, steam locomotives, passenger trains, high-speed trains, commuter trains, subways, monorails, holiday trains, and more. Choo, choo! This book is part of the bestselling Good Night Our World series, which includes hundreds of titles exploring iconic locations and exciting, child-friendly themes. Little counters will delight in counting all of their favorite types of trains.