Almost ready!
In order to save audiobooks to your Wish List you must be signed in to your account.
Log in Create accountShop Small Sale
Shop our limited-time sale on bestselling audiobooks. Don’t miss out—purchases support local bookstores.
Shop the saleLimited-time offer
Get two free audiobooks!
Now’s a great time to shop indie. When you start a new one credit per month membership supporting local bookstores with promo code SWITCH, we’ll give you two bonus audiobook credits at sign-up.
Sign up todayIntelligence
This audiobook uses AI narration.
We’re taking steps to make sure AI narration is transparent.
Learn moreSummary
Maybe you’re smarter than you think you are. Let’s find out!
In this short guide, you will learn about the nine signs that show how intelligent you might be. You will gain more understand as you study the nerve cells of those who have them in bigger sizes and running around at faster paces. The difference between fluid and crystallized intelligence will be mentioned, as well as influences on intelligence, IQ tests, and personality traits related to being smart.
You will probably learn a lot. I encourage you to get started now.