Chapter 1: Getting Started

• Why Atom?
• Installing Atom
• Atom Basics
• Summary

Chapter 2: Using Atom

• Atom Packages
• Moving in Atom
• Atom Selections
• Editing and Deleting Text
• Find and Replace
• Snippets
• Autocomplete
• Folding
• Panes
• Pending Pane Items
• Grammar
• Version Control in Atom
• GitHub package
• Writing in Atom
• Basic Customization
• Summary

Chapter 3: Hacking Atom

• Tools of the Trade
• The Init File
• Package: Word Count
• Package: Modifying Text
• Package: Active Editor Info
• Creating a Theme
• Creating a Grammar
• Publishing
• Iconography
• Debugging
• Writing specs
• Handling URIs
• Cross-Platform Compatibility
• Converting from TextMate
• Hacking on Atom Core
• Contributing to Official Atom Packages
• Summary

Chapter 4: Behind Atom

• Configuration API
• Keymaps In-Depth
• Scoped Settings, Scopes and Scope Descriptors
• Serialization in Atom
• Developing Node Modules
• Interacting With Other Packages Via Services
• Maintaining Your Packages
• How Atom Uses Chromium Snapshots
• Summary

Appendix A: Resources

• Glossary

Appendix B: Shadow DOM

• Removing Shadow DOM styles

Appendix C: Upgrading to 1.0 APIs

• Upgrading Your Package
• Upgrading Your UI Theme Or Package Selectors
• Upgrading Your Syntax Theme

Appendix D: Atom server-side APIs

• Atom package server API
• Atom update server API