Children's books, upstairs or downstairs?

[Jemster]

My son is learning to read and we've been given a load of books that he uses at school by a friend. He also has lots of other books already.
My dd is 15 months and so likes looking at baby books during the day.
Everywhere I look right now there are books, upstairs and down!
How do you store you children's books? All upstairs or down or bit of both? I need a system of some sort as the house is cluttered beyond belief!

both. I use large fairly shallow baskets so we can see whats in them.

We have a bookshelf for children's books downstairs (3 shelves) and a book rack (3 IKEA spice racks) too. I rotate books between the two. That's the plan anyway.

Also a few upstairs on the bedside tables.

Everywhere they'll fit!

Now DS1 is older, we keep his upstairs, away from DS2, who tends to scatter them (and to discourage DS1 from taking them out reading them for all of 37 seconds and leaving them on the sofa/floor/laundry basket)

Both here too.

DC have bottom shelf of one of the bookcases downstairs - and they're supposed to tidy them back onto the shelf at the end of day.

They also have a section of their Trofast storage in their bedroom as a bookshelf and DS has a shelf on the wall for 'his' books (he's nearly 7 so reading by himself whereas 4yr old DD is still on picture books).