Nell rushed into her bedroom and dragged her escape box out from under the bed. It was definitely, irrevocably, time to act …

When Nell Magnificent’s awful mum and dad go to Paris for a business trip, Nell surprises them by tagging along. But Nell isn’t planning on hanging around.

The city is hiding someone very dear to her. Someone Nell affectionately calls Pear. Someone Nell is determined to find …

And so Nell runs away on an epic mission during which she befriends bellboys, camps out in the laundry rooms of luxurious hotels and races through underground tunnels and catacombs …

All to discover that the mystery behind Pear’s disappearance leads to an even greater mystery … one that might just implicate the whole of Paris!