The Language of Thorns: Midnight Tales and Dangerous Magic (Grishaverse, #0.5 & 2.5 & 2.6)

by Leigh Bardugo

When Water Sang Fire - referenced in The Lives of Saints “As for my mermaids, while Hans Christian Andersen’s original tale served as a point of departure, it’s worth mentioning that Ulla is the Swedish diminutive of Ursula.”