"The Introvert Advantage" is an excellent introduction for introverts who have a problematic relationship with their introverted qualities and feel misunderstood.
The author provides an introduction to brain chemistry and how it affects the way we interact with the world (as introverts or extroverts). She also introduces real-life situations as experienced by herself or the introverts she interviewed for the book, and shares some advice on how to act in certain situations while honouring your introverted nature which makes it an interesting and relatable read for introverts and possibly extroverts who want to better understand the "innies" in their lives.