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, which ushered in a new era of radical honesty in parenting. F**k, Now There Are Two of You tackles a new addition to the family-and all the fears and frustrations attendant to the simple, maths-defying fact that two is a million more kids than one. As you no doubt know by now, you probably shouldn't read this book to a child.