Errata Chapter 8: Symmetry in crystallography
page # 161
equation (8.8)
The equation should read "t' = t+2t cos(pi-alpha) = t-2t cos(alpha)"
page # 176
Fig (8.15)
Clarification: this figure shows the individual symmetry elements that make up the roto-inversion, not the actual roto-inversion symbol.
page # 177
Fig (8.16)

Clarification: this figure shows the individual symmetry elements that make up the mirror-rotations, not the actual mirror-rotation symbol.

page # 167
In text)

The expression for the plane m(sigma) x,-x,0 should read m(sigma) x,-x,z (thank you Jeramy Zimmerman)