Find a trail with some slots, put up a trail cam and wait a week, loads of info to be had from books.
However the info from a book will not be the same as your ground, also it depends on what time you can manage to get out to shoot as they may well have a different pattern ( at night ).
A few things I have learnt is with them being so small they are very rarely square on, they might look it but you get one out at 150 yards then it is hard to tell.
I have shot more of sticks than from high seats especially after harvest time as they will move across a field so being mobile you can take advantage of that, also picking a spot and getting tucked in works well. I have learnt over time to cover a bigger area on the outside of woods rather than moving through the ones I can shoot.
Good luck with your stalking....
Tim.243