Gary Mugford gave MR. MONK AND THE TWO ASSISTANTS a great review on his blog Mugshots. He says, in part:
Goldberg takes advantage of being a novelist to bring back Sharona in Mr. Monk and the Two Assistants. And that sets up a battle between assistant Past and assistant Present to see who will be assistant Future. In doing so, he captures Natalie’s insecurities perfectly. Afterall, he’s been inside her head for quite a while now. He also recaps most of those earlier book adventures in some small detail during this book, making it a good jumping on point for the series. Not suprisingly, this is apparently the best-selling of the series of novels to date.