Albert and Wanda want to invite a friend over to play on a rainy day, but they soon count fifteen mice in the walls of the People House. The text introduces the mathematical concept of numbers and counting.

Read Along or Enhanced eBook: Albert has the rainy-day blues. But Mom’s suggestion that he and Wanda invite some friends over starts to snowball when Albert invites one mouse after another! How will they ever fit—and what will Mom say?

Albert has the rainy-day blues. But Mom's suggestion that he and Wanda invite some friends over starts to snowball when Albert invites one mouse after another! How will they ever fit—and what will Mom say? (Math concept: Counting)

As he tries to teach his new pet snail, Flash, how to do tricks, Albert the mouse learns that patience can be a very good thing when it comes to snails. The text introduces the mathematical concept of position words.

Read Along or Enhanced eBook: It’s time to go mice skating! Albert joins his friends in skating cool shapes into the ice—but will the shapes get the better of Albert? (Math Concept: 2-D Shapes)

Walking, talking numbers. Dancing frogs. A wandering group of lost letters. The One and Only 1, 2, 3 Book stars a number 1 with a high opinion of itself, but it must compete for attention in this humorous counting book from artist R. O. Blechman. By the time the pages are brimming with numeric activity and the one and only 1 begins searching for the solo spotlight of a less-crowded space, readers will be clamoring to count down from 10 and start all over again!

While the cat's away, the mice will visit the playroom! But when all the toys come tumbling down, can Albert sort them back into the right bins before the People come home? (Math concept: Sorting)