Download or read book Across the Great Barrier written by Patricia C. Wrede and published by Scholastic Inc.. This book was released on 2011 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: In an alternate frontier America, Eff must travel beyond the Great Barrier and come to terms with her magic abilities--and those of her twin brother--to stop the newest threat encroaching on the settlers.