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Books with extra thrust.
Want to get in touch? Send us an email here.
Rocket 88 and our partners use cookies to keep the shop running, measure traffic, and — with your permission — personalise content and ads. You can accept all cookies, reject non-essential, or manage preferences individually. See our privacy policy for details.
Shopify session, cart and storefront. Cannot be disabled.
Google Analytics — how visitors use the site.
Mailchimp tracking, ad personalisation.
Language, region and storefront settings.
| Cookie | Provider | Type | Purpose | Duration |
|---|---|---|---|---|
| _session_id | Shopify | Necessary | Session tracking: referrer, landing page, visit info | Session |
| _shopify_visit | Shopify | Necessary | Internal analytics — required for store function | 30 min |
| _shopify_uniq | Shopify | Necessary | Counts unique visits per customer | Midnight |
| cart | Shopify | Necessary | Stores your shopping cart contents | 2 weeks |
| storefront_digest | Shopify | Necessary | Password-protected store access | Indefinite |
| _ga, _gid, _gat | Analytics | Visitor count, session duration, traffic source | Up to 2 years | |
| PREF | Analytics | Visitor origin and preference tracking | 8 months | |
| Mailchimp beacon | Mailchimp | Marketing | Email open and link-click tracking | Session |
Make sure you’re on the right site for your region to get correct pricing and shipping information.