The hands of the clock demarcate the start and end of your work day—and who among us hasn’t looked to them for strength and comfort? But what if you couldn’t tell time and had to go through your day without any concrete indication that you’d eventually be reunited with your family (and your couch). Brutal. Anxiety thrives in that state of not-knowing, so it’s no wonder our little ones go to pieces at goodbye. You probably can’t teach your 2-year-old how to tell time, but regular ol’ reading sessions can offer a great deal of reassurance to a child with separation anxiety. Here are some of our favorites to help your kid acclimate in your absence.