단행본

Billy Twitters and his blue whale problem

개인저자

Barnett, MacRex, Adam 

서명/저자사항

Billy Twitters and his blue whale problem /by Mac Barnett ;illustrated by Adam Rex 

발행사항

New York :Disney／Hyperion Books,2009 

형태사항

1v. :col. ill ;27 x 28 cm 

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Ages 4-8