Full-text electronic books are found in the UMBrella by selecting Filter your results: eBooks under the search box. These collections are recommended:
Books related to Mathematics and Computer Science can usually be found under the QA Call Number.
All of these books can be found on the 9th floor of Healey, if the catalog location is listed as Main Stacks. Reference works are found in the Reference collection on the 4th floor.
Stop by the 4th floor Reference desk if you need additional help.