Luna Escapade by H. B. Fyfe

With over an hour to go before he needed to start braking for his landing on Luna, Pete Dudley sat at the controls of the rocket freighter and tried to think of anything else that needed checking after his spinning the ship. He drummed absently with the fingers of his right hand upon the buckle of the seat strap which restrained him from floating out of the padded acceleration seat.
—from this book