Lonely Planet, the most famous travel guide book and digital media publisher in the world, offers ISIC cardholders 30% off Lonely Planet guides and pdf eBooks when purchased from the online shop.

TravelSim is offering exclusively for the ISIC cardholders 60% discount on SIM cards with airtime plus a free mobile phone that hides callback and supports 2 SIM cards (plus free shipping!). TravelSim is a prepaid GSM SIM card, made for using when traveling abroad, with exceptionally low rates on outgoing calls and free incoming calls in over 135 countries. Simply insert the TravelSim card into an unlocked GSM phone and call away!

Avira Internet Security Plus is the only protection suite equipped with Avira System Speedup, a nimble utility that cleans out unnecessary data, fixes errors and organizes your system. ISIC Cardholders can enjoy 70% off Internet Security Plus antivirus software, valid for 1 year.

Enjoy the best value on over 24,000 properties worldwide. HOSTELWORLD.com is available in 23 languages with multi-lingual customer support in 4 continents and Live Chat on all booking pages. And you pay no booking fee! (2 USD OR 1,5 EUR)

Improve your English to accelerate your career and discover the world: as an ISIC card holder you get 90 days free access with EF to learn English on-line, 24 hours a day anywhere, anytime, at your own level and pace. All you need is a computer.

You don't have to do the math... ISIC + Microsoft = software for student discounts Get your Microsoft Office University 365 here and save 5.00 EUR / 5.00 USD / 5.00 CAD!

As an ISIC cardholder, you can take advantage of this preferential offer and enjoy substantial savings on the cover price. As a thank you, The Economist will send you: a 1GB USB stick (valued at €5.00), a copy of The World in 2013, an annual collection of predications that identifies and explores the issues that will shape this year (valued at €8.50), a copy of Intelligent Life, the sister publication covering life, style, culture and everything else under the sun as long as it’s interesting (valued at €8.40) This offer is valid in continental Europe only (UK excluded)