Project X Origins is a ground-breaking guided reading programme for the whole school. Action-packed stories, fascinating non-fiction and comprehensive guided reading support meet the needs of children at every stage of their reading development. Sandcastle follows Max and Tiger during a trip to the beach, as they shrink to explore their sandcastle at micro-level. However Max''s little sister Molly does not see them, and is approaching the sandcastle with a big bucket of water!Each book contains inside cover notes that highlight challenge words, prompt questions and a range of follow-up activities to support children in their reading.