There's a huge excitement around product management, and lots of resources are on the web. But it might be hard to learn the skills for a career in product, two reasons-
1. You can't learn product management from a single place
2. Most of the skills are developed from experience
Product management a mindset not a role and it takes time to develop product thinking and become user obsessed. My general advice to new grads seeking a career in product is to focus on one of your strong skills and leap into product with that.
You can't learn product management from a single place because it's a fusion of many skills and you need to learn to think from a lot of perspectives. Books are the best resources to understand different aspects of product management.
Here are some of the books that I loved-
Here are some of the other things you can do to break into product-
a. Publish case studies if you love design/growth
b. Launch an MVP for a problem you face/want to solve
c. Start a blog or even tweet about product
d. Join communities and develop meaningful connections
What about product management interviews? That's an entirely different story. PM interviews generally have questions from the following areas-
1. Product design
Last but not the least BestPracticer has a curated list of content created be experts so that you can learn about product management. They have a collection of blogs on various PM skills check these out too