Smriti Prasadam-Halls is the international bestselling author of I Love You Night and Day and Don't Call Me Sweet both published by Bloomsbury.

Before becoming a full time writer in 2012, she worked in children's publishing and television. She lives in London with her husband and three children, reading, writing and eating avocado pears.

Ada Grey studied illustration and later took a role in design. Moving back into illustration, Ada set about designing her own unique picture book style, characterised by an energetic palate, adorable, lively characters and a delicate use of texture.

Her books include Shhh! Don't Wake the Royal Baby, School for Dads, Poo in the Zoo and Hippobottymus. She has illustrated several books for Bloomsbury, Little Tiger, Egmont and Macmillan. Ada lives by the sea in Brighton with her daughter and ginger tom, Tiger.