Y is for 'Yawn', and I'm ready for sleep. This timeless before-bed classic is a soothing meander towards the end of an evening. Beautifully told in gentle rhythmic verse, it leads us through a charming A-Z bedtime routine. 'B is for Bedtime' is Margaret Hamilton's first picture book, and its endearing characters are brought to life by award-winning Anna Pignataro's illustrations.