Two books in the Grub-and-Stakers series: The Grub-and-Stakers Move a Mountain and The Grub-and Stakers Spin a Yarn. One standalone novel The Terrible Tide. Spine creases on all books. There's a sticker on the front cover of The Terrible Tide. Regular wear around covers' edges. First Avon printings. Move a Mountain and Terrible Tide Avon printings 1987 and Spin a Yarn Avon printing 1990.