Sacha and Josh have collaborated previously on four picture books: Keys/Ngā Kī, The Marble Maker/Te Kaihanga Māpere, The Bomb/Te Pohū and Dazzlehands/Ringakōreko. Keys was a finalist in the picture book category and Ngā Kī was winner of the Māori Language Award of the New Zealand Book Awards for Children and Young Adults 2015. Ngā Kī also won Te Tohu Taurapa Award in the LIANZA Children’s Book Awards 2015 and was selected for the IBBY Honour List in 2016. Te Kaihanga Māpere won Te Kura Pounamu award of the New Zealand Book Awards for Children and Young Adults 2017. The Bomb was the supreme winner, the Margaret Mahy Book of the Year, at the New Zealand Book Awards for Children and Young Adults, 2019, where it also won the Picture Book Award. It won the Scholastic New Zealand Award for Best Children’s Book, PANZ Book Design Awards, in 2019, and it won the Storylines Notable Book Award, Picture Book, 2019.