Your local council prints leaflets detailing cycle routes in the area, just Google 'Falkirk cycle maps' for some ideas.
There are cycle routes along the canal.
Take a look at the Sustrans website for local off routes.
The atlas in the pic is probably not a great idea, unsuitable for use on a bike and too much information if you are only looking for local routes in Central Scotland.
Ordnance Survey maps are very good, but it is usually possible to get cheaper alternatives for your local area, have a look around in local book shops for these.