Skipping Stones at the Center of the Earth by Andy Hueller
Calvin Comet Cobble lives at Hidden Shores Orphanage. Location: the very center of the earth. Cal's life is full of the school bully and mean teachers, but when he meets Mr. E, who can skip a stone clear across Lake Arctic, everything about Cal's life changes. Told with wit and charm, Skipping Stones at the Center of the Earth is guaranteed to excite and inspire readers of all ages
This would be the perfect end of summer read for a middle grade boy. It has adventure and excitement all revolving around Calvin. Calvin finds himself living at an orphanage that is located ,of all places, at the center of the Earth. Calvin along with his best friend Bernie are taken on an adventure by Mr. E. Hold on to your hats for an exciting wonderful read.