If you like Belva Plain,
than try some of these authors:

• Adler, Elizabeth
• Bradford, Barbara Taylor
• Brown, Sandra
• Crusie, Jennifer
• Dailey, Janet
• Delinsky, Barbara
• Goldsmith, Olivia
• Goudge, Eileen
• Michael, Judith
• Michaels, Fern
• Phillips, Susan Elizabeth
• Rice, Luanne
• Roberts, Nora
• Spencer, LaVyrle
• Steel, Danielle
• Stone, Katherine
• Wiggs, Susan