The Purple Cow Mystery (Young Cousins Mysteries)

Book 5 of the Young Cousins Mysteries. The cousins know there’s no such thing as a purple cow. So they’re perplexed when they find a mysterious note—about a purple cow! The cousins decide to investigate and discover the truth about this puzzling animal. Theme verse: "Do not lie to each other" (Colossians 3:9a, NIV).