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. In Cuckoo Trouble find out if Cat and Tiger can find the spare part they need to fix the submarine in time to rescue Max and Ant in the second book of this two-part adventure. 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.