No. Any form of sexual content in relation to preteens is completely inappropriate and unethical. Preteens are in a stage of development where they should be protected from such adult and inappropriate topics.
There are some books that touch on sexual health and relationships in an educational way. For example, 'The Guide to Getting It On!' by Paul Joannides. It provides comprehensive information about sex in a scientific and healthy manner, not just 'stories' in a prurient sense.
One well - known best - seller in this area could be 'Fifty Shades of Grey'. It became extremely popular worldwide. It tells a story that involves a complex relationship with elements of sexual exploration within it. However, it also received some criticism for its portrayal of certain relationships.
There is also 'Lolita' which, while not strictly a sex - centered fiction in a vulgar sense, it does touch on themes of an older man's inappropriate attraction to a young girl. It is a complex and controversial work of literature that has sparked many discussions over the years.
One of the top sex books in fiction could be 'Lady Chatterley's Lover' by D.H. Lawrence. It explores sexual passion and relationships in a rather bold way for its time. Another might be 'Fifty Shades of Grey' by E.L. James, which became extremely popular and delved into BDSM - themed relationships within a fictional context. Also, 'Tropic of Cancer' by Henry Miller contains sexual themes and was quite controversial when it was first published.
Often, sex novel books may have detailed descriptions of sexual encounters. For example, in some erotic novels, they might focus on the physical aspects and sensations involved in sexual activities.
Another great one is 'Lady Chatterley's Lover' by D. H. Lawrence. This novel was quite controversial when it was first published due to its explicit sexual content. But it also delves deep into themes of love, class differences, and sexual liberation. It's considered a classic in the realm of novels that deal with sexual themes in a more complex and thought - provoking way.
I'm not aware of any books that specifically deal with such inappropriate combinations of themes. Most books focus on positive values, relationships in a proper sense, or other educational and cultural aspects.