© 2008-2009 ACE STUDY TOURS Email: ace@acestudytours.co.uk Telephone (From UK): 01223 835 055 Telephone (From Overseas): 00 44 1223 835 055 Babraham Cambridge England CB22 3AP United Kingdom Fax: 01223 837394. The air holiday packages shown on this web-site are ATOL protected by the Civil Aviation Authority. Our ATOL number is ATOL 0616. The non-air holiday packages are protected by the AITO Trust.