As far as missed opportunities go, Philip Pullman’s “His Dark Materials” trilogy represented one of the biggest lost adaptations. The fantasy trilogy—composed of 1995’s “The Golden Compass” (originally titled “Northern Lights”), 1997’s “The Subtle Knife” and 2000’s “The Amber Spyglass”—took place in a kind of steampunk London (among other dimensions where technology and magic existed in Victorian Albion. The most unique touch: human souls were made concrete in the form of creatures known as daemons who always stay close to their humans.