I wish The Art of Electronics 3rd Ed was available in ePub format. I have the dead-trees version, but an electronic one would be so much more convenient.
Preface
1. Real-world passive components
2. Advanced BJT topics
3. Advanced FET topics
4. Advanced topics in operational amplifiers
5. Advanced topics in power control
Subject index
For mobile, there is a tab called "Contents" with a 'down' arrow on the right. Tap on the down arrow to reveal a drop down list which contains "Contents". Tap on "Contents" to show the Table on Contents.