1 – They won't eat your grandparents.
2 – They're exciting – in a non-eating your grandparents way.
3 – They're cheap enough that your grandparents could buy them.
4 – They're light enough that they won't break your grandparent's wrists
5 – They have big grandparent friendly writing, so your grandparent's can read them to you.
6 – They're set in amazing worlds, some of which contain grandparents.
7 – Grandparents will be attracted to the bright covers.
8 – Imagine the joy on your grandparent's faces when they see you finish all the books.
9 – Imagine the horror on your grandparent's faces when they realise that Reason one was a fib.
10 – Every book sold helps an author who has had grandparents, unfortunately our books ate them. Help pay for our therapy.