The Pet War

Sinopsis(en Inglés)

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Eleven-year-old Otto wants a dog, and his older sister Lexi wants a cat, so their mother suggests that whoever can raise enough money to pay for their pet can choose--and so the competition begins. Eleven-year-old Otto wants a dog, but his twelve-year-old perfect sister, Lexi, wants a cat. Their mother, who works very long hours as a nurse, wants neither. Pets are expensive, so who's going to pay for everything?