Language Cert C1 student book. The new book with practice tests from Burlington is aimed at students preparing for the C1 level examination of City and Guilds. LanguageCert International ESOL includes five preparation tests for the exams, three authentic practice papers from previous years, which cover all parts of the exam, eight speaking tests, as well as topics for practice in listening with free online access. Also, for the teacher in the series you will find corresponding teacher books as well as CDs that include the audio part of the book.