Reviewed by: Liturgy and Biblical Interpretation: The Sanctus and the Qedushah by Sebastian Selvén Michael Gabizon sebastian selvén, Liturgy and Biblical Interpretation: The Sanctus and the Qedushah (Reading the Scriptures; Notre Dame, IN: University of Notre Dame Press, 2021). Pp. viii + 233. $55.99. Sebastian Selvén's monograph is part of the Reading the Scriptures series published by Notre Dame Press, a series that explores the intersection between biblical studies and theology. S.'s contribution to the series focuses on the role of liturgy in the broader field of reception history; as he writes, "Liturgy is, among other things, an experienced biblical interpretation" (p. 2). Through an assessment of Isa 6:1–5 in the Qedushot and the Sanctus,S. demonstrates how the study of liturgy provides a lens through which to view historical interpretive traditions (i.e., how certain Scriptures have been understood by different communities) as well as how liturgy continues to shape contemporary interpretations of the text. Following a two-part introduction, in which S. explores the nature of liturgy as well as the structure of the Qedushot and the Sanctus, the next three chapters explore three interpretations [End Page 488] related to Isa 6:1–5 that have been influenced by liturgical traditions: the identity of the seraphim, the concept of holiness, and the divine presence of God. In chap. 1, S. argues that liturgy has largely shaped the conventional understanding that the seraphim from Isa 6:1–3 are celestial beings, thus resulting in the later creation of angelic hierarchies by religious communities. Following a textual analysis of the word "seraphim" in Scripture, whereby he demonstrates that the most consistent definition of the Hebrew word is "snakes," S. proposes that the identification of seraphim as angels was influenced by early Jewish liturgy. In Qedusha deYotzer, for example, Isa 6:1–3 is read alongside Ezekiel 1–3, which recounts Ezekiel's interaction with heavenly figures; this intertextual link requires some form of harmonization between the biblical texts (p. 32). In turn, S. argues that the connection between the two passages has affected the interpretation of Isa 6:1–3 and the study of angels generally: "The received understanding of what they [the seraphim] are has to a large extent been shaped by how they are presented in Jewish and Christian liturgy, and the theological background of these liturgies" (p. 31). S. further explores the development of angelology through both traditions, and he argues that the ramifications of grouping Isa 6:1–3 with Ezekiel 1–3 in Qedusha deYotzer continue to shape biblical interpretations of the seraphim today. Indeed, S. posits that the "resistance towards describing them [the seraphim] as serpents" reflects centuries of conditioned readings through church art and liturgical texts (p. 58). The example of the seraphim, then, reveals one way the study of liturgy develops our understanding of historical biblical interpretation: "Liturgy actualizes and prioritizes certain passages, strings them together in different ways, and in this kaleidoscopic reconfiguration of texts, certain meanings emerge from them" (p. 123). In chap. 2, S. focuses specifically on the thrice-holy cry of the seraphim, questioning whether this short pericope originally functioned as a celestial hymn to evoke awe, or as a warning to instill fear (p. 58). Although he argues that the purpose of Isa 6:3 is unclear, he proposes that the standard categorization of the thrice-holy cry as celestial liturgy originates from the very role of Isa 6:3 in Jewish and Christian traditions. In other words, since this passage is used for liturgical purposes in some religious communities, the qedusha became "something possessing its own ontological integrity: a liturgy, performed by the celestial beings, taking place in the heavens" (p. 70). In this case, S. again demonstrates how liturgical traditions shape biblical interpretation. S. also posits that the spotlight placed on Isa 6:3, and in turn the emphasis on "holy," has influenced theological movements in various traditions, including the holiness movement of the twentieth century (pp. 77–79). Since liturgies naturally determine which Scriptures become important or central for communities, they inevitably mold the theological movements who engage with such traditional readings. In chap. 3, S. discusses...