The Invitation to Theological Studies Series has a number of interesting books including:
Invitation to Biblical Hebrew: A Beginning Grammar by Russell T. Fuller and Kyoungwon Choi (2006)
Invitation to Biblical Preaching: Proclaiming Truth with Clarity and Relevance by Donald Sunukjian (2007)
Invitation to World Missions: A Trinitarian Missiology for the Twenty-first Century by Timothy Tennent (2010)
Invitation to Biblical Interpretation: Exploring the Hermeneutical Triad of History, Literature, and Theology by Andreas J. Köstenberger and Richard Patterson (2001)