IMPORTANT NOTICES:

• Mastering eBooks will be unavailable on Saturday, 18 July, 7:00 AM-10:00 AM EDT (US & Canada)/12:00 PM - 3:00 PM BST (GMT +1), due to a scheduled upgrade.
• All Mastering sites will be unavailable due to a scheduled hardware upgrade on Saturday, 1 August, 8:00 AM-8:00 PM EDT (US & Canada)/Saturday, 1 August, 1:00 PM - Sunday, 2 August, 1:00 AM BST (GMT +1).

We apologize for any inconvenience, and appreciate your patience as we work to improve your Pearson online experience.