Please complete the payment form below to purchase How To Weigh The Universe for £4.99
How to weigh the universe
This website’s connection is secure and your card details are never stored.
My weekly astronomy newsletter
Every Monday morning I send out an email with my favourite recent space stories and interesting facts I discover when researching articles and books.
New subscribers will also receive a free copy of my e-book Stars and Hearts - looking at the amazing work astronomers and medical doctors are doing to fight a range of diseases.
