Transmigrating into a Book, I Return to Taihang to Hunt Enemy Spies

I was a modern old lady who transmigrated into a book. A little high-speed train carried me to a parallel world, where I arrived in 1966 among the troops building a military factory deep in the Taihang Mountains. A discharged soldier named Li went to pick wild fruit and was carried by a snake to the foot of a cliff, and I became Li's replacement...

It turns out that I, Section Chief Li, am actually the reincarnation of that Northeastern student, Yan Zu... Full of amusing incidents... With the little high-speed train and its golden finger space, I worked and lived in the mountains for over twenty years.

As the ordnance workers built the factory and threw themselves into producing military supplies to support the war against the United States, I grew from