Secrets of Sam and Sam

Sam likes being a twin. He likes having two mums. He likes cheese sandwiches and his dog and drawing comics with his friend Pea. He does not like humus - or heights . . .His twin sister Sammie likes being a twin too. She knows that she''s perfect best friend material for somebody - the girls in her class just haven''t realised yet. And she knows that she''s the best Sam - Sam A.Both Sam and Sammie - and everybody in their lives seems to be keeping secrets - which ones will come out?