The market isn't there for the cold hard facts that many of the Theravadin Bestsellers present. As Ben mentioned booksellers have pretty tight margins, so when they stock their 'spirituality
' shelves they're going to ask themselves what's going to sell the more?
It's not going to be your Theravadin texts, which offer a fairly grim picture for all those still infatuated with life.
It's probably gonna be your Mahayana and Pseudo-Buddhist texts, which more often appeal to the romance of the human condition, in a more 'life affirming' way.
PeterB wrote: " With a Foreword By HH The Dalai Lama" is usually a reliable indicator that it need not detain one.
Except of course "What the Buddha Taught" by Bhikkhu Bodhi
"And so, because this Teaching is so different from what Westerners are accustomed to, they will try to adapt the Teaching to their own framework. What they need to learn to do is not to adapt the Teaching to their own point of view but to adapt their own point of view to the Teaching. This is called saddhá, or faith, and it means giving oneself to the Teaching even if the Teaching is contrary to one’s own preconceived notions of the way things are."- Ven BodhesakoNanavira Thera's teachings - An existential approach to the Dhamma
| Ven. Bodhesako's essay on anicca