Lecture notes directly transcribed from course (Youtube videos) given by Dr. Tobias Osborne. (Most) Exercises are noted throughout notes.
https://www.youtube.com/playlist?list=PLDfPUNusx1EpRs-wku83aqYSKfR5fFmfS
Master file QFT.tex references 18 lectures ("chapters"), each in separate tex files in /chapters subdirectory, with all figures in /images subdirectory.