Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation.

1: Novel in four colours delivers next week.

2: First airport with a handle from 1999.

3: Friend and assistant with a real keyboard for Isaac.

To help you cross-check your solutions, or confuse you further, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.