Possible Clues:

• Dear little book found in stall
• Future toddler
• Love child
• Horse carrying bishop is little one
• Comparatively small book anybody perused on a regular basis
• 1983 David Shire/Richard Maltby Jr. musical
• 'And ___ makes three'
• Pediatrician's patient
• Young bee piercing brown horse
• One of Mama¿s Boys dug out of Corrib abyss