This book follows a little girl Adèle as she works on a family tree project at school. We learn about her extended family amd a little of her family history.  Some classmates have no family, and some have parents who are separated or have more complicated family trees.  Illustrations include many nationalities and family units. Subject = family (and a little bit of history)
 
The book is written in English and French.  Read the story in your native language to get to know it.  Then flip the book over and it's the same story in your target language;  it's like having 2 books in one, back to back!  Beautifuly illustrated in pen, ink and watercolour, by Pete Williamson.   Bilingual French-English book for children ages 3-11.