Over 2 metres of fold-out concertina fun!Tilly is a very long dinosaur. She’s so long that she can’t quite work out what it is that’s tickling her… Can you find who’s tickling Tilly?Tilly the dinosaur can’t stop laughing… Someone is tickling her! Can you work out who it is? Search through different prehistoric landscapes and ask around Tilly’s dino friends in this innovative concertina board book to see if you can work out…Who’s tickling Tilly?Meet a plethora of creatures along the way, both big and small, explore different natural scenes, and see what you can spot!By the author of Where’s Brian’s Bottom? 9781843654667