On a conceptual level, is there more to QM than the Uncertainty Principle and Wave-Particle Duality?

A deeper, more natural way to express both is "wavefunction reality," which also incorporates some of the more exotic effects that come from using complex numbers. (The Uncertainty Principle also should be called the "uncertainty consequence," since it's a simple derivation from how the position and momentum operators work on wavefunctions.)

(I haven't read DWLM, so I can't comment on its quality.)