If you need a cheap replacement, this unbranded textbook will fit the bill.
Schaum’s Outline of Theory and Problems of Advanced Calculus
I like that this textbook includes practice problems with full answer keys.
Advanced Calculus Paperback Murray R. Spiegel
A nice touch in this textbook is the self-assessment quizzes after each lesson.
Schaum’s Outline of Probability and Statistics, 4th Edition: 897 Solved P – GOOD
What stands out about this unbranded textbook is the accurate and clear information.
Schaum’s Outline of Statistics : Theory and Problems of Statistic
A nice touch in this textbook is the tear-out reference card for exams.
