Elf Invasion: I am on the front line of popular science

Introduction: Come to a world where elves are invading! Qin Ze uses his knowledge of elves! I resolutely stepped onto the front line and started my own road to popularizing science! "Hey, brothers, look what I found? There's a silly...Squirtle!" Taking this as a starting point, we move towards the goal step by step. But then he discovered that he was too naive! ps: This book is true! ! !