she-dreams: any flying school will have a couple of different logbooks to sell you, at a price equivalent to 10 minutes flying. Take advice, then pick one that you just like - they're all very similar.
There's nothing incidentally to stop you taking a trial flight in both an aeroplane and a microlight, before making a decision. This gives you both a choice of aeroplane types, and a choice of training environments to see what you prefer.
G