During the Second World War, a team of scientists in Oxford worked together to turn a special mould into a powerful new medicine. Their hard work led to penicillin, a life-saving antibiotic that fought dangerous infections and helped people when it was needed most. Follow its fascinating journey in this book. This KS2 reading book is from Readerful's Independent Library. It is for children aged 9 to 10 to read without support. Readerful is a reading library specially designed to motivate children to read more. The series offers contemporary, inclusive books for children from 4 to 11 years, including: Books for Sharing: picture books to be read aloud by an adult for inspiring reading sessions Independent Library: fiction, graphic texts, character mini-series and non-fiction for children to read independently Rise: fully decodable books for older struggling readers to read independently. How Readerful works: - Read aloud the Books for Sharing for magical reading sessions that motivate children to read more. - Then encourage children to choose a book to read by themselves, from Readerful's Independent Library or from Rise. You'll find links between the books' topics, vocabulary, characters and authors -all designed to keep children reading, boost their vocabulary, strengthen their comprehension skills, and deepen their understanding of the world around them.