Alfie Wolfe and his twin sister Alfreeda enjoy helping out at the family's Hound Hotel--but this time they have very different ideas about what to do with a Yorkshire terrier suffering from separation anxiety.

Sometimes Moms have to leave their little ones at home for a short time. It can be a challenge. Especially for Penguin! There are tears and sadness, but Penguin likes the babysitter, Mrs. Duck. They have fun together reading and playing and hugging Penguin's favorite pillow. And soon, someone's at the door, Mom is back! This sweet new board book confides that missing Mom is hard for everyone, but little listeners will delight in the happy ending.

When Liza and Jeremy run to their mother during a scary storm, she comforts them by telling them about the Invisible String, which connects people who love each other no matter where they are and means that they are never alone.

"A child worries about what it will be like while his papa is away, until papa is home." -- Provided by publisher.

Llama Llama experiences separation anxiety on his first day of nursery school.

"Everyone loves everyone in Tess' house. But when Tess has to start school for the first time, her family can't come with her. Will the love be able to stretch that far?

Drew, who prefers to be called Drool, worries her parents are never coming back when she spends the night with her grandmother.