To help support teaching and research online in Spring Quarter 2020, ebook providers ProQuest and EBSCO are temporarily upgrading the 1-user and 3-user ebooks we purchased to unlimited users for a select group of publishers.

See the announcements:

EBSCO – Gain Unlimited User E-Book Access from Participating Publishers

ProQuest – Coronavirus-Impacted Libraries Get Unlimited Access to Ebook Central Holdings