For the most comprehensive introduction to Maroon societies (including several articles about the Ndyuka), see:

Richard Price (ed.), Maroon Societies: Rebel Slave Communities in the Americas (third editions, revised, with a new preface, Baltimore, Johns Hopkins University Press, 1996).

For an excellent introduction to the Ndyuka, see:
H.U.E. Thoden van Velzen and W. van Wetering, In the Shadow of the Oracle: Religion as Politics in a Suriname Maroon Society (Long Grove IL, Waveland Press, 2004).

Other useful books in English about the Ndyuka include:

Silvia W. de Groot, From Isolation Towards Integration: The Suriname Maroons and their Colonial Rulers: Official Documents Relation to the Djukas (1845-1863) (La Haye, Martinis Nijhoff, 1977)

Diane Vernon, Money Magic in a Modernizing Maroon Society (Tokyo, Institute for the Study of Languages and Cultures of Asia and Africa, 1985)

H.U.E. Thoden van Velzen and W. van Wetering, The Great Father and the Danger: Religious Cults, Material Forces and Collective Fantasies in the World of the Surinamese Maroons (Dordrecht, Foris, 1988).

For a lavishly illustrated book on the art of the Ndyuka and other Maroon peoples, see:

Sally Price and Richard Price, Maroon Arts: Cultural Vitality in the African Diaspora (Boston, Beacon Press, 1999)