From impossible shapes to three-dimensional tricks: You won't believe your eyes when you learn to draw optical illusions. Jonathan Stephen Harris introduces you to the essence of optical illusions and how they work, showing you step by step how to create stunning pencil drawings – from simple optical illusions to tricky three-dimensional structures. Grasping perspective and dimension can often be challenging for both beginners and advanced artists, but with these fantastic tricks, you can learn and practice your skills in an uniquely simple way.