About Sin and Swoon Books by Sin and Swoon Twinkle, Twinkle, Little Star Classic Folk Sing-Along Songs other primary creator Sin and Swoon illustrated by Sophie Casson Pop Goes the Weasel Classic Folk Sing-Along Songs other primary creator Sin and Swoon illustrated by Sophie Casson She'll Be Coming 'Round the Mountain Classic Folk Sing-Along Songs other primary creator Sin and Swoon illustrated by Sophie Casson