If anyone deserves a book in the Toy Trailblazers series, it’s Ruth Handler, who brought the world Barbie. This well-written title introduces Handler, a Jewish immigrant and youngest of 10 children. Handler faced much skepticism about whether an adult doll would sell. Handler, an excellent marketer, not only sold Barbie, but clothes, accessories, and friends. Her goal, to make Barbie a positive role model, came with the doll’s ability to change careers as well as clothes. Part biography, part pop-culture review, this has many color photos that add info and enjoyment.