Student Friendly Quantum Field Theory
By Robert D. Klauber
Sandtrove Press | March 2013 | ISBN-10: 0984513922 | scanned PDF | 544 pages | 29.5 mb 
https://www.amazon.com/Student-Friendly-Quantum-Field-Theory/dp/0984513922

By incorporating extensive student input and innovative teaching methodologies, this book aims to make the process of learning quantum field theory easier, and thus more rapid, profound, and efficient, for both students and instructors. Comprehensive explanations are favored over conciseness, every step in derivations is included, and ‘big picture’ overviews are provided throughout. 
The book focuses on the canonical quantization approach, but also provides an introductory chapter on path integrals. It covers fundamental principles of quantum field theory, then develops quantum electrodynamics in depth.

Table of Contents
Table of Wholeness Charts ................................... ix 
Preface .................................................................. xi 
Prerequisites ........................................................ xv 
Acknowledgements ............................................. xv
Preparation 
1. Bird's Eye View .......... .......... ....................... 1
2. Foundations ........ ........... ............ ................. 11
Part One: Free Fields ...................................... 39
3. Scalars: Spin 0 Fields ................................ 40
4. Spinors: Spin 1/2 Fields ............................... 84
5. Vectors: Spin 1 Fields .............................. 134
6. Symmetry, Invariance, and Conservation for Free Fields .......... 162
Part Two: Interacting Fields ........................ 181
7. Interactions: The Underlying Theory .... 182
8. QED: Quantum Field Interaction Theory Applied to Electromagnetism ... 214
9. Higher Order Corrections ...................... 254
10. The Vacuum Revisited ........................... 267
11. Symmetry, Invariance, and Conservation for Interacting Fields ...... 286
Part Three: Renormalization - Taming Those Notorious Infinities ................ 303
12. Overview of Renormalization ................ 304
13. Renormalization Toolkit ........................ 322
14. Renormalization: Putting It All Together ........................... 339
15. Regularization ......................................... 374
Part Four: Application to Experiment. .......... 401
16. Postdiction of Historical Experimental Results .............................. 402
17. Scattering ................................................. 432
Addenda ......................................................... 487
18. Path Integrals in Quantum Theories: ... 488
19. Looking Backward and Looking Forward: Book Summary and What's Next .......... 510
Index ............................................................... 521