The only way is really to just load them up in the house style editor [HOUSEOPT] and look at them one by one.

To quickly look through them without clicking yourself to death, take advantage of the fact that Windows GUI components are keyboard friendly. Simply use the top dropdown and click on the very first style in the list to select it and collapse the list, then as long as you don't click any other controls, it will be the active control, and you can go through the styles using the arrow keys.

Thanks @Wyvern , maps have now been added to the atlas

Thanks @Lorelei , the map is now in the atlas

There is a tutorial on page 94 of the User Manual.

For the map size, it is simply a case of multiplying the number of hexes with their size. Just keep in mind that hexes are wider when measuring corner to corner than edge to edge, so you need to know what those 24 miles of yours actually represent.

I haven't read the text from the annual issue, but if the instructions feels unclear, don't hesitate to give Ralf a word about it. There are many people reading those things that don't hang around here.