¡Es hora de ir a la cama! Es tarde y Lily y Milo se van a dormir. Lily está lista, ¡pero Milo no! Todavía necesita ponerse el pijama y lavarse los dientes. Y . . . ¿dónde puso su ratoncito de peluche? It's time to go to bed! It's late and Lily and Milo go to sleep. Lily is ready, but Milo is not! She still needs to put on her pajamas and brush her teeth. Y . . . Where did she put her stuffed mouse?

Contrary Mary the mouse decides one day to do the opposite of what she is supposed to do, but when her mother does the same, Mary has a change of heart.

"Una mañana de sábado, los hermanos Ratón salieron en busca de aventuras. Iban los tres muy risueños: el mayor, el mediano y el pequeño. Junto al borde del sendero, encontraron un reflejo, como un pedazo de sol. Era una llavecita dorada. Y con ella... ¿qué se podría abrir? A veces buscamos fuera y lejos, perdiendo de vista lo más importante: lo que se encuentra dentro y cerca de nosotros." -- Page 4 of cover.

Sofia is temporarily entrusted with Snowflake the class mouse--but he escapes, and she and her sisters must figure out a way to catch him.

"La gran ciudad representa muchos nuevos retos y experiencias para el pequeño Elliot, el elefantito de lunares de colores. Pero nuestro amigo está a punto de descubrir que las sorpresas más dulces de la vida vienen en envase muy pequeño,"--flap of dust jacket. Elliot the little elephant has a hard time with a lot of things in the city he loves until he meets Mouse, who is even smaller--and hungrier.

Lilly loves everything about school, especially her teacher, but when he asks her to wait a while before showing her new purse; she does something for which she is very sorry later. Lilly has a brand new purple plastic purse that makes music when you open it, a glittery new pair of sunglasses, and three shiny quarters. Anxious to show her new possessions to her favorite teacher and her classmates, she disrupts Mr. Slinger's class and he gets angry....

To get the "ratoncitos," little mice, who have moved into the barrio to come to his house, Chato the cat prepares all kinds of good food: fajitas, frijoles, salsa, enchiladas, and more.

Two mice, each without the other's knowledge, help a pumpkin grow into "the biggest pumpkin ever"--but for different purposes. Dos ratones, sin que el otro sepa, ayudan a una calabaza que crecerá a ser la más grande del mundo, pero cada ratón tiene un propósito diferente.

It's the start of an exciting cavemice contest: a race to Boulder Bay and back! It's a dangerous route, but it will supply the village cheese maker with rare hot lava peppers, and there's a big cash prize. Trap teams up with Geronimo Stiltonoot -- who has a lazy, slow, city autosaurus (the cavemice mode of transportation). Can they reach the finish line without going extinct on the way?

Little Mouse draws pictures of some of the many things he is afraid of, including creepy crawlies, sharp knives, and having accidents, and provides the correct scientific name for each of his fears.