ZBrush Resource Files available here.

Zbrush 2018 Gotchas:

To toggle between the new manipulator (move, rotate, scale) and the transpose tool, press y

Be sure to set dynamesh resolution (in the bottom menu) to 0 before converting zsphere preview geometry to polymesh geometry.

Camera Controls:
click+drag off mesh – rotate camera around mesh
click + alt off mesh – Pan camera
click + alt + release alt – zoom
shift + click off mesh + release shift – rotate camera along z axis
shift + click off mesh – view snap

Hot Keys:
t – enables edit mode
a – polymesh3D preview (zsphere + retopo only)
comma – toggle the lightbox
x – toggle symmetry
ctl + n – clear anything dropped to canvas (clear screen)
ctl + s – save
s – brush size
d – go to next highest subdivision level
shift + d – go to next lowest subdivision level
shift + sculpt on mesh – smooth brush

Masking with Mask Pen:
cntl + stroke on mesh – paint mask
cntl + click drag off mesh – mask square
cntl + click on mesh – soften mask
cntl + shift + click on mesh – sharpen mask
cntl + click off mesh – invert selection

Masking with Mask Curve:
cntl + drag to start
cntl + alt – soft corner
cntl + double alt – hard corner
space bar to move mask area

Select/Visibility:
cntl + shift

Transpose:
w – move
e – scale
r – rotate

Introduction to ZBrush by Isaac Oster: 01 – Getting Started

Introduction to ZBrush by Isaac Oster: 02 – Saving ZTL vs ZPR

Introduction to ZBrush by Isaac Oster: 02.5 – Important Zbrush Updates

Introduction to ZBrush by Isaac Oster: 03 – Sculpting An Ear

Homework: Sculpt two ears. Use the same concept for both ears, but flip the image horizontally for the second sculpt.

Introduction to ZBrush by Isaac Oster: 04 – Building a base mesh using ZSpheres

Homework: Without going into too much anatomical detail, build two base meshes out of zspheres; one biped, and one quadruped. Just get a feel for the process. Be sure to use symmetry.