Table of Contents:
Chapter 1: Stepping Out
 -Connecting with a Conversation Through History
 -Exoplanets Reveal Themselves
 -Jupiter's Compelling Attraction
Chapter 2: A Sketch of the New Science
 -Chapter Overview
 -Near and Far
 -Solar System Overview
 -Why Are Some Objects Known as "Candidate" Planets?
 -How Many Exoplanets and Alien Solar Systems Have Been Found?
 -Why Don't Exoplanets Have Names?
 -What Do We Want to Know About Exoplanets and Why?
 -How Far Away Are the Discovered Planets?
 -How Many Alien Moons Have Been Discovered?
 -Are There Exoplanets That Are Not Associated with a Star?
 -How Can I Get the Latest Updates on Exoplanets and Alien Solar Systems?
Chapter 3: How It's Done
 -The Host Stars
 -How are Exoplanets Discovered?
 --Timing Method
 --Doppler Shift Method
 --Astrometry
 --Transit Method
 --Gravitational Microlensing Method
 --Direct Imaging
 -What Can We Actually Measure?
 -Oblique, Retrograde, and Eccentric Orbits
 -Chemical Composition
 -Groundbased versus Spacebased Observations
 -The CoRoT Mission
 -The Kepler Mission
 -When Was the First Exoplanet Discovered?
Chapter 4: The Discoveries
 -Exoplanet Types
 -Demographics
 -The Alien Solar Systems
 -Masses of the Exoplanets
 -Exoplanet Sizes
 -Living Close to a Star
 -Orbital Period and Size
 -Exoplanet Eccentricities
 -Is Our Solar System Typical?
 -Planet Formation and Migration
 -Multiplanet Systems
 -A Summary of the Important Findings So Far
 -Tentative Results From the Kepler Candidates Sample
Chapter 5: Where Is Everyone?
 -What Is Life?
 -The Origin of Life
 -Challenges for the Origin of Life on Earth
 -Chemistry for Life: What's the Deal with Arsenic?
 -Water In the Moon
 -The Problem of Volatile Delivery
 -Exoplanet Climatology and Habitable Zones
 -The Host Star, Tidal Locking, and System Stability
 -Temperature and Albedo
 -Exoplanet Atmospheres
 -Climate Solutions
 -The Faint Young Sun Problem
 -Circumstellar Habitable Zone
 -Galactic Habitable Zone
 -Is There a New Answer to the Old Question?
 -How Long Would it Take to Get to the Nearest Exoplanet?
 -Ant School
Appendix A: What Is a Planet?
Appendix B: Selected Websites
Notes