It can occasionally be the case that the Toolbars in the Delphi IDE become broken. You can fix them using the registry editor. And you can also customise them for better productivity. Find out all about it here.
This book will make you a faster Delphi developer, it doesn't matter if you are just starting out, or have been using Delphi since version 1, you will find all sorts of tips, tricks and hacks to boost your productivity.