Adam Mansbach famously gave voice to two of parenting's primal struggles in Go the F**k to Sleep and You Have to F**king Eat-the unrivalled pair of New York Times best sellers that ushered in a new era of radical honesty in humour books for parents. But what could possibly be left?

Parents-new, old, expectant-of multiple children already knew the answer and Adam discovered it for himself by having two more kids, less than two years apart. F**k, Now There Are Two of You is a loving monologue about the new addition to the family, addressed to a big sibling and shot through with Adam's trademark profane truth-telling. Gorgeously illustrated and full of unspoken sentiments channelled directly from the brains of parents worldwide, F**k, Now There Are Two of You articulates all the fears and frustrations attendant to the simple, maths-defying fact that two is a million more kids than one.

As you probably know by now, you shouldn't read it to a child.