The pricing method adopted by Amazon online bookstore belongs to the service cost pricing method. This method sets prices based on the cost of providing services, including direct costs and indirect costs.

Amazon online bookstore first determines its service costs, and then determines the price paid by customers based on these costs.

Direct costs include costs directly related to the service, such as employee wages, material costs, etc.

Indirect costs include costs indirectly related to the service, such as management costs, maintenance costs, etc. The pricing method of Amazon online bookstore is designed to ensure that its service costs are consistent with the prices paid by customers, thereby ensuring its profitability.