(Preliminary)
The "Quia(TM) Online Cuaderno de practica" offers the same outstanding practice as the printed version, plus many additional advantages, such as integrated audio files, immediate feedback and scoring for students, and an easy-to-use grade book and class roster system for instructors.
To gain access, students purchase a unique Student Book Key (passcode) in a bi-fold sleeve that is optionally packaged with the book.
College Professors can request instructor keys from their McGraw-Hill Higher Education Sales Representative.
K-12 instructors can request their keys from their Glencoe/McGraw-Hill Sales Representative.