All of the PDFs in the 'Answers & Solutions' HTML page (answers.html) are password-protected, so that students can only access them with your permission. The password for each file is a four-digit code, as follows: ------------------------------------ File Code ------------------------------------ Commentary.pdf 1005 DiagramComplete.pdf 6113 QuestionsMarkScheme.pdf 2887 TaskMarkScheme.pdf 4392 The following password is the master password and can be used to open all of the password-protected PDFs: zz2ghc4 Note that all of the above are also provided as non-protected, editable Word documents.