World Book Day 2026: The Big Bang

Uh oh! Where did Casper go?

When a noisy storm scares Halo and Rocky, they don’t realise their friend Casper can’t hear the thunder. But when lightning flashes, Casper dashes off! Can Halo and Rocky be brave, find Casper, and learn a new way to communicate with their friend?

The Big Bang is a 2026 World Book Day £1 book.

Dimensions:

Main Material:

Age Suitability: 5 years + to 8 years +

Please see here for delivery details or the latest updates.

If you wish to return an item, please email hello@tinkerandtot.co.uk within 14 days of receiving your order to notify us of your intent to return. Returns must be received within 14 days of your notification.

Returned items must be:

• In their original, unused condition
• In their original packaging (not the outer carton used for shipping)
• Complete with all tags and labels intact

Please include your order reference inside the return package. We strongly advise packaging your return securely, as we cannot accept responsibility for goods damaged or lost in transit.

Customers are responsible for covering the cost of return postage. Returns should be posted to:

Tinker & Tot Returns
4 Workington Avenue
Anlaby Common
HU4 7SB

Please ensure postage labels are placed on the outer parcel and not directly onto product packaging. Items returned with defaced or damaged packaging may not be accepted.

Please see here for our full policy.