Download or read book Oxford Reading Tree TreeTops Fiction: Level 11: Bertha's Secret Battle written by John Coldwell and published by OUP Oxford. This book was released on 2014-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bertha and Fiona are twins. In Bertha's Secret Battle Bertha is fed up with everyone booing her in the wrestling ring and cheering Fiona. It's not fair. Why does Fiona always win? TreeTops Fiction contains engaging novels from top authors and illustrators with the variety children need to develop a love of reading!