"Marker's Notes" is a fascinating book written by the science fiction author Teofil Lukyanenko. In this novel, readers will discover a unique world where reality is intertwined with magic and scientific discoveries. The main character, the marker, is an artist who can give life to his creations and change the world around him. Due to unforeseen circumstances, he finds himself in a whirlwind of events that force him to reconsider his beliefs and raise his artistic ambitions to a higher level. This is an exciting journey into the world of art, magic and self-discovery, which will leave a mark in the heart of every reader.