In the next installment of The Worst! series, Gilbert is excited for his beachside vacation until mermaids come ruin it to compete in their high-stakes mermaid games--and Gilbert is never one to turn down a little competition.Publisher: Simon & SchusterAuthor(s): Alex WillanIllustration(s): f-c digital (jkt spfx: sculpt emboss+two glitter colors+gold foil stamping+spot gloss uv on matte) (different art on case spfx: spot gloss uv on matte); coated stockNumber of pages: 40Collection: The Worst! SeriesPublication date: 2025Dimensions: 288 x 226 x 11Cover type: HardbackIllustrator: Alex Willan