Guided Inquiry Design Process Model (Kuhlthau, Maniotes & Caspari, 2013) / Detailed Information about guided inquiry and the ISP (Information Search Process) model included in author's Rutgers University bio.
Building Guided Inquiry Teams for 21st Century Learners (Kuhlthau & Maniotes, 2010) / A detailed description including different case scenarios for the implementation of guided inquiry in schools, with a focus on how the teacher librarian should be involved.
An Inquiry Primer (Colbourn, 2000) from Science Scope, March 2000 / A general overview of different forms of inquiry, including guided inquiry.
Nudging Toward Inquiry - a series of articles and a magazine column that give school librarians concrete ideas to assist teachers in inquiry-based learning. This PDF is a feature article that does not contain all of the information of the other columns, which can easily be found searching for the term "Nudging toward inquiry". I found the best results in ProQuest Education.
Book about how librarians and teachers can work together to make inquiry happen in the classroom, by Violet Harada and Joan Yoshina out of University of Hawaii.