María José Ferrada is a journalist and writer. She holds a master's degree in Asian and Pacific Studies from the University of Barcelona. Her books for children have won numerous awards and have been published all over the world. Magdalena Pérez is a designer and illustrator of books for children based in Santiago, Chile.

“The interactive element of the book—sliding the picture of the bird, open and closed—means that there’s a certain ‘playability’ to it, which adds an extra element of fun, especially if you want to play peekaboo with the birds. Because it’s a nice study book too, this means that it would be a nice one to take along in the pushchair or to play with in the car, as well as being read at storytime or for fun at any point in the day” – BookTrust