Early one morning, a strange visitor arrives -- a visitor whose name is Holiday. "I'll be taking over for you today!" Holiday tells Monday. And before long, Holiday has met the other days, even Saturday and Sunday, who usually sleep all week.

With each introduction, Monday becomes more and more upset. She is used to starting the week, and she'd like to keep it that way. When Holiday announces how much fun he's having, and that he'd like to stay, Wednesday and Friday admit that they are a little worried, too. Meanwhile, Thursday, Saturday and Sunday are completely smitten by this exciting new day.

Finally, Monday (with Wednesday and Friday in tow), asks Holiday to kindly pack his things and go. Then just in time, Tuesday comes up with a solution that will work for everyone.

Natalie Nelson's ingenious characterizations of the days of the week will delight readers young and old, as will her story that pokes fun at how set in our ways we can be and how we might instead choose to be open to change and embrace the unexpected.