Albert the mouse wants to make sure that his big sister Wanda never gets more of anything, so he carefully keeps score and learns a lesson about fairness.

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.

On his first visit to the mouse amusement park, Albert claims he is not afraid, he simply does not like rides that go up and down, left and right, or around and around, but things change when he and his sister Wanda accidentally ride the roller coaster.

When Albert the mouse, his big sister Wanda, and the other Squeak Scouts go on a field trip to the attic of the People House, Albert not only learns how to line up in numerical order, he also finds a souvenir for his collection. Introduces the concept of number sequence.

When Albert's sister brings home the new Captain Slime book, Albert wants to read it first and offers a trade, adding more items to sweeten the deal.

Albert the mouse and his big sister, Wanda, have fun in the playroom of the People House where they live, then must quickly sort and return everything to its proper place before the people return.

"¡Alberto se muere de ganas por ir a la escuela! Pero cuando llega el lunes descubre que la escuela es muy diferente a la casa. ¡A Alberto le espera una semana llena de sorpresas! (Concepto de matemática: Días de la semana. Nivel: De 4 años en adelante)"--Page 4 of cover. Albert can't wait for his very first day of school. But when Monday arrives, he finds that being at school is a lot different from being at home. Albert is in for a week full...

On his first visit to the mouse amusement park, Albert claims he is not afraid, he simply does not like rides that go up and down, left and right, or around and around, but things change when he and his sister Wanda accidentally ride the roller coaster.

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. Albert y Wanda quieren invitar a un amigo a jugar en un día lluvioso, pero pronto cuentan quince ratones en las paredes de la casa de la gente.

Albert joins his sister and friends mice skating on the frozen pond, but when he tries to make shapes as they do, he runs into some problems. Albert se une a su hermana y amigos ratones patinando en el estanque congelado, pero cuando trata de hacer las formas como lo hacen, se topa con algunos problemas.