Can I create invoices for the projects in my Zoho Projects account?

Yes you can, provided your Zoho Books account is integrated with Zoho Projects. To do this task,

• Go to the Invoices tab under the Sales dropdown on the left navigation pane.
• Click on Menu, and choose the option Invoice for Zoho Projects.
  
• Select the project you want to invoice, type in your rate and click on Create Invoice.
  
• This will take you to the Invoice creation page. Enter the relevant details like Invoice number and due date here.
• Save the changes.