Authors of contemporary basal readers make many claims as to the whole language-like nature of their programs. Their advertising literature contains assertions such as "full spectrum of the language arts," "literature based," and "integrated, whole language approach." Indeed many recent basals contain components that could be considered holistic in nature.
Sippola, A. E. (1994). Holistic Analysis of Basal Readers: An Assessment Tool. Reading Horizons: A Journal of Literacy and Language Arts, 34 (3). Retrieved from https://scholarworks.wmich.edu/reading_horizons/vol34/iss3/4