The One Memory of Flora Banks

Penguin Readers is an ELT graded reader series for learners of English as a foreign language. With carefully adapted text, new illustrations and language learning exercises, the print edition also includes instructions to access supporting material online.

A Level 5 Reader, is B1 in the CEFR framework.  

Seventeen-year-old Flora Banks has an illness and can't remember anything for very long. She writes notes to herself to help her remember things. But one day, Flora kisses a boy and she remembers it. Flora must find the boy who kissed her and learn why she still has that one memory.