Guess what's growing in the basement . . . A baby monster! Minneapolis Simpkin is hiding it down there. But a monster is a hard thing to keep secret, especially one that hiccups and cries, and gets bigger every hour. An I Can Read Book 시리즈 소개 미국 초등 교과과정의 필수 Reader 대상: 유치원생~초등학생 구성...