International tax treaties and cross-border corporate structuring (this is a practical guide, not a corporate tax manual) Customs and import duty calculations in depth (see *What Your Clearing Agent Won't Tell You* in the Nigerian Driver's Edge series) Property tax optimization for developers and large landlords (see *Don't Sign That* in Series 7) Offshore tax planning and trust structures Tax for NGOs, religious organizations, and diplomatic entities Petroleum profit tax (an entirely separate regime)