단행본

Bertha's Seceret Battle

개인저자

Coldwell, JohnWeir, Doffy 

서명/저자사항

Bertha's Seceret Battle /by John Coldwell ;illustrated by Doffy Weir 

발행사항

New Jersy :Dingles & Company,2008 

형태사항

32p. :col.ill ;21cm 

총서사항

dingles education : Leveled reading series