This paper published in 2009 (after the book manuscript was submitted to the publisher) contains additional material for impact monitoring in presence of non-gravitational perturbations.
Milani, A., Chesley, S. R., Sansaturio, M. E., Bernardi, F., Valsecchi, G. B., Arratia, O. 2009. Long term impact risk for (101955) . Icarus 203, 460-471.