All aboard for an exciting adventure!Ethan loves trains-big trains, small trains, fast trains, and old trains. So when Mom tells him they are going to the train museum, Ethan can hardly contain his excitement.At the museum, Ethan discovers a giant black steam engine and imagines himself as a real engineer. He climbs aboard, explores passenger cars, discovers a shiny red caboose, and sees a mail train where letters were once sorted while the train was moving.But the ...