ㆍ형태사항
1 volume (unpaged) : color illustrations ; 27 x 27 cm
ㆍISBN
9781250816955 (hardcover)
ㆍ상세내용
Sophia loves finding fossils and digging up dinosaur bones. But she doesn't love the way all the grownups just want her to smile. What does smiling have to do with the very serious business of being a scientist?!