For Neil Packer they've chosen One of a Kind, his book on taxonomy which has received the most amazing reviews. Here are a few examples.
'It's a mesmerizing collection of collections for readers ages 6-10.' Wall Street Journal
'Anything you didn't like about it? No. Pitch perfect.' Boston Latin School
'Oh wow, Neil! Oh WOW! It's wonderful. Gillian Cross
'A magnificent book that is as captivating and witty as it is beautifully illustrated. I loved it.' Peter Frankopan
Here's an example of how Neil visually explains DNA, and there's more on the book here.