Based on the course outlines listed at
https://ict.onlinecollaborative.ca/courses/course-text-books.jsp
Scott Leslie undertook initial research of known sources of Open Textbooks and OER to determine if there existed any suitable replacements. His search uncovered a number of potential candidates which are listed in detail at
http://edtechpost.wikispaces.com/Open+Textbook+Replacements+for+ICT+Colla