Private. Level 2. A1+

Penguin Readers is a graded reading series for English Language Teaching (ELT) markets, designed for teenagers and young adults learning English as a foreign or second language.
With carefully adapted text, new illustrations, language practise activities and additional online resources, the Penguin Readers series introduces language learners to bestselling authors and compelling content. Titles include popular classics, exciting contemporary fiction, and thought-provoking non-fiction.
Private, a Level 2 Reader, is A1+ in the CEFR framework. Sentences contain a maximum of two clauses, introducing the future tenses will and going to, present continuous for future meaning, and comparatives and superlatives. It is well supported by illustrations, which appear on most pages.
Jack Morgan has a company called Private. Private helps people. Sometimes, Private helps the police, too. Now, Jack's friend is dead. Private must find the killer.
Retold by Nick Bullard.