Books from the academic realm can provide both breadth and depth on specific subjects.
News and commentary resources are often helpful in identifying ideas, topics, or issues that may be of use to you as you develop your research question. These types of sources are considered "non-peer reviewed' meaning they are not vetted in the same way as articles in academic journals. As with any source, evaluate your information. See the guide homepage for evaluation tips.
BBC Ideas News segment takes on the topic of gendered toy marketing and reaches out to neuroscientists, psychologists, other experts, and parents to talk about toys, the brain, and child development.