Infobase Publishing (Facts on File, Chelsea House, Ferguson Publishing) has just launched search widgets for their eBook platform. See the press release here.
The widgets search only the eBook content that your institution has access to. From the press release, “Infobase Publishing is pleased to
announce the launch of our new account-specific eBook Search Widgets, designed to expand access and promote usage within your institution. These customized Search
Widgets will allow users to search all the eBooks to which you have access from Infobase Publishing.”